Delicious & Healthy Baked Oatmeal Recipe: Your Ultimate Guide to a Perfect Meal Prep Breakfast
Welcome to your new favorite breakfast! This incredible baked oatmeal recipe is not only super healthy but also an absolute game-changer for your meal prep routine. Imagine waking up to a warm, wholesome, and delicious breakfast that’s already made. Don’t forget to elevate your experience by adding a generous topping of fresh berries or your favorite fruits!

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Essential Ingredients and Smart Substitutions for Your Baked Oatmeal
Crafting the perfect baked oatmeal begins with high-quality ingredients and knowing your options for delicious substitutions. Here’s a breakdown of what you’ll need and how to adapt the recipe to your pantry or dietary preferences.
- Rolled Oats: These are the star of our baked oatmeal, providing a chewy texture and wholesome goodness. While rolled oats are ideal, you can experiment with others. Steel-cut oats will require a longer baking time (approximately 10-15 minutes more), while instant or quick oats will cook faster and result in a softer texture. For a gluten-free option, ensure you use certified gluten-free rolled oats.
- Cinnamon: This warm spice adds a delightful aroma and flavor to your oatmeal. Feel free to get creative with your spice blend! Try pumpkin pie spice for an autumnal twist, a pinch of ground ginger for a zesty kick, or even a tiny dash of cayenne for a subtle warmth. A touch of brown sugar can also enhance the spice profile if you prefer a sweeter, richer flavor.
- Baking Powder: Crucial for giving your baked oatmeal a light, fluffy texture. Unfortunately, there isn’t a direct substitute for baking powder in this recipe that yields the same results. It helps the oatmeal rise and become more cake-like rather than dense.
- Salt: A small amount of salt is essential to balance the sweetness and enhance all the flavors in the dish. Adjust to your personal taste.
- Mashed Banana: Adds natural sweetness, moisture, and a subtle fruity flavor. Ripe bananas are best for easy mashing and maximum sweetness. If you don’t have bananas, unsweetened applesauce is the perfect 1:1 substitute, offering similar moisture and natural sweetness without altering the flavor profile too drastically. Pumpkin puree can also work for a seasonal variation, though it will impart a distinct flavor.
- Coconut Oil: Provides richness and helps bind the ingredients. If coconut oil isn’t your preference, a neutral-flavored cooking oil like melted butter (for a non-vegan option), light olive oil, or even avocado oil can be used effectively. Ensure the oil is melted for easy mixing.
- Milk: Any type of milk works beautifully in this recipe. Feel free to use your favorite dairy-free milk alternatives such as almond milk, soy milk, oat milk, or cashew milk to make this recipe completely vegan or accommodate lactose intolerance. Full-fat dairy milk will result in a richer oatmeal, while skim milk will be lighter.
- Eggs: Eggs act as a binder, contributing to the structure and moistness of the baked oatmeal. To make this recipe vegan, simply use two flax eggs (2 tablespoons ground flaxseed mixed with 6 tablespoons water, allowed to sit for 5 minutes until gel-like). Chia eggs can also work, though they might add a slightly different texture.
- Maple Syrup: Our preferred natural sweetener for its distinctive flavor and less processed nature. Dark maple syrup will offer a deeper flavor. Good substitutes include brown sugar (which adds a similar molasses note), honey, or date syrup. Adjust the quantity based on your desired sweetness level.
- Vanilla Extract: Enhances the overall flavor profile with its warm, aromatic notes. If you’re looking to switch things up, almond extract can provide a delightful, unique twist. A dash of rum extract could also add a gourmet touch.
- Fresh or Frozen Berries: The ultimate topping! Berries add bursts of fresh flavor, antioxidants, and a beautiful pop of color. Feel free to use any fresh fruit of your choice – sliced bananas, peaches, chopped apples, or even a mix of berries would be fantastic. If using frozen berries, there’s no need to thaw them beforehand; they’ll bake beautifully into the oatmeal.
Understanding these ingredients and their potential swaps allows you to customize this versatile baked oatmeal to suit your preferences and what you have on hand, ensuring a delicious and healthy breakfast every time.

Step-by-Step Guide: How to Prepare Delicious Baked Oatmeal
Creating this wholesome baked oatmeal is incredibly simple and requires minimal effort. Follow these easy steps for a perfect, comforting breakfast that’s ready to enjoy.
Step 1: Combine the Dry Ingredients for a Flavorful Base.
Before you begin, preheat your oven to 350°F (175°C). This ensures your oven is at the correct temperature when your oatmeal is ready to bake, leading to even cooking. In a large mixing bowl, combine the rolled oats, ground cinnamon, baking powder, and a pinch of salt. Whisk these dry ingredients together thoroughly to ensure the spices and leavening agent are evenly distributed throughout the oats. This crucial step prevents clumps and ensures a consistent flavor in every bite.
Step 2: Gently Fold in the Wet Ingredients.
In a separate large bowl, prepare your wet ingredients. Mash your ripe banana until smooth, then add the melted coconut oil, milk, eggs (or flax eggs for a vegan option), maple syrup, and vanilla extract. Whisk these wet ingredients until they are well combined and smooth. Then, pour the wet mixture into the bowl with the dry ingredients. Using a spatula, gently fold the wet ingredients into the dry until just combined. Be careful not to overmix, as this can lead to a tougher texture in the final product.
Step 3: Prepare Your Baking Dish.
Select a 9×11 inch (or similar sized) baking dish. Lightly spray the inside of the dish with a non-stick cooking spray. This step is important to prevent the oatmeal from sticking and ensures easy removal and serving later. If you prefer, you can also lightly grease the dish with butter or coconut oil.
Step 4: Transfer the Oatmeal Mixture to the Dish.
Carefully pour the thoroughly mixed oatmeal batter into your prepared baking dish. Spread it evenly using your spatula, ensuring the mixture is level for uniform baking. You can gently tap the dish on the counter a couple of times to release any trapped air bubbles.
Step 5: Bake to Golden Perfection.
Place the baking dish in your preheated oven. Bake for approximately 45 minutes. The exact baking time may vary slightly depending on your oven, so keep an eye on it. The baked oatmeal is ready when the top is golden brown, the edges are set, and a toothpick inserted into the center comes out mostly clean. The texture should be firm but still moist and slightly springy.
Step 6: Garnish, Serve, and Savor!
Once baked, remove the oatmeal from the oven and let it cool for a few minutes before serving. This allows it to set a bit more. Right before serving, generously top with fresh berries of your choice, a drizzle of extra maple syrup, or any other favorite toppings. Slice into individual portions and dig into your wholesome and delicious homemade baked oatmeal!

Is Baked Oatmeal Truly Healthy? Unpacking the Nutritional Benefits
Baked oatmeal is indeed an excellent and healthy addition to your breakfast rotation. At its core, oatmeal is a powerful whole grain, celebrated for its numerous health benefits. It is naturally gluten-free (though always check for certified gluten-free labels if you have sensitivities) and packed with essential nutrients that contribute to overall well-being. Let’s dive into why this baked oatmeal is a fantastic choice:
Oats are a nutritional powerhouse, abundant in key vitamins and minerals. Here are some of the incredible nutrients you’ll find in every serving:
- Fibre: Oats are an excellent source of dietary fiber, particularly beta-glucan, a soluble fiber known for its cholesterol-lowering effects. Fiber is crucial for digestive health, helps regulate blood sugar levels, and contributes to a feeling of fullness, which can aid in weight management.
- Iron: Essential for transporting oxygen in the blood and supporting energy levels.
- Zinc: Important for immune function, wound healing, and DNA synthesis.
- Folate: A B vitamin vital for cell growth and function, especially important during pregnancy.
- B Vitamins: Including Thiamine (B1) and Niacin (B3), which play key roles in energy metabolism.
- Copper: Supports iron absorption and energy production.
- Manganese: Crucial for bone development, metabolism, and antioxidant defense.
- Magnesium: Involved in over 300 biochemical reactions in the body, supporting muscle and nerve function, blood glucose control, and blood pressure regulation.
While oatmeal is naturally rich in carbohydrates, it’s the good kind of carbs that provide sustained energy. This is balanced by its substantial protein and fiber content, which slow down digestion, preventing rapid blood sugar spikes and keeping you satisfied for hours. Furthermore, oats are loaded with unique antioxidants called avenanthramides, which have anti-inflammatory properties and may help protect against heart disease.
This baked oatmeal recipe is designed to be relatively low in calories and fat, making it a satiating choice without being overly heavy. The natural sweetness from mashed banana and maple syrup replaces refined sugars often found in traditional oatmeal preparations, further enhancing its health credentials.
It’s important to remember that while the oatmeal itself is incredibly healthy, the nutritional content of your baked oatmeal can be influenced by your chosen toppings and additions. If you are mindful of sugar intake, you can reduce the amount of maple syrup or opt for fewer high-sugar fruits. To boost protein and healthy fats, consider adding a spoonful of your favorite nut butter, a sprinkle of chopped nuts (like almonds or walnuts), or a handful of seeds (chia, flax, or hemp seeds). These additions not only enhance the nutritional profile but also add texture and flavor. By making conscious choices, you can tailor this baked oatmeal to perfectly fit your dietary goals and preferences, making it a truly versatile and healthy breakfast option.

Frequently Asked Questions About Baked Oatmeal
Below are some common questions about baked oatmeal, providing clarity and additional tips for enjoying this delightful breakfast.
While both dishes feature oats and are baked, there’s a distinct difference. “Baked oats” typically refers to a recent viral TikTok trend where oats are blended into a batter and baked, often resembling a fluffy cake or soufflé in individual portions. Our baked oatmeal recipe, however, is a more traditional breakfast dish that retains the hearty, chewy texture of oats, similar to a comforting casserole or a thick, sliceable oatmeal square. It’s designed to be a substantial and satisfying meal rather than a dessert-like treat.
This versatile baked oatmeal can be a standalone meal, but it also pairs beautifully with other breakfast or brunch items. If you’re hosting a holiday brunch or a weekend gathering, consider serving it with a side of creamy Greek yogurt, scrambled or fried eggs for extra protein, crispy bacon or savory sausage, or a vibrant fresh fruit salad to complement the flavors. A glass of orange juice or a warm cup of coffee would also make a perfect accompaniment.
Each satisfying serving of this baked oatmeal contains approximately 345 calories. This makes it a moderately caloric and nutrient-dense option, providing ample energy to kickstart your day. Beyond the calorie count, it’s important to note that this recipe is brimming with essential protein, dietary fiber, and a wealth of micronutrients, ensuring you get a wholesome start to your morning. The high fiber and protein content help keep you feeling full and energized, preventing mid-morning cravings.
Absolutely! In fact, that’s precisely what this recipe demonstrates. Baking oatmeal in the oven transforms it from a traditional stovetop porridge into a firm, sliceable, and wonderfully textured casserole. For this particular recipe, you’ll bake the oatmeal for about 45 minutes at a temperature of 350° Fahrenheit (175°C). This baking method yields a delicious, wholesome breakfast that’s perfect for feeding a crowd or for convenient meal prepping.
Yes, absolutely! To make this baked oatmeal recipe vegan, simply substitute the dairy milk with a plant-based milk of your choice (like almond, soy, or oat milk) and use flax eggs instead of regular eggs. A flax egg is made by mixing 1 tablespoon of ground flaxseed with 3 tablespoons of water for each egg required, letting it sit for about 5 minutes until it thickens. For a gluten-free version, ensure you use certified gluten-free rolled oats, as regular oats can sometimes be cross-contaminated with wheat during processing.
While fresh berries are a classic choice, the possibilities for toppings are endless! Get creative with ingredients like chopped nuts (walnuts, pecans, almonds) for crunch and healthy fats, dried fruits (raisins, cranberries, apricots) for concentrated sweetness, shredded coconut, chocolate chips for a treat, a swirl of almond or peanut butter for extra protein, or a dollop of fruit jam or compote. Sliced bananas, a sprinkle of granola, or a dusting of powdered sugar can also enhance the flavor and presentation.

Storing and Reheating Your Baked Oatmeal: Perfect for Meal Prep
One of the best features of this baked oatmeal recipe is its meal prep friendliness. It’s designed to be made ahead of time, ensuring you have a healthy and delicious breakfast ready to go throughout the week. Properly storing and reheating your oatmeal is key to maintaining its flavor and texture.
Once baked and cooled, your baked oatmeal will stay fresh and delicious in an airtight container in the refrigerator for up to 5 days. This makes it an ideal candidate for your weekly meal prep routine. To make your mornings even smoother, consider dividing the entire dish into individual, single-serving portions right after it cools. Store these individual servings in separate containers. That way, you can simply grab and reheat a quick, nutritious breakfast on your busiest mornings.
For reheating individual portions, the microwave is your best friend. Place a single serving in a microwave-safe bowl and heat for approximately 1 minute, or until warmed through. If you’re reheating a larger section or the entire dish, you can use the oven. Preheat your oven to 350° Fahrenheit (175°C) and bake for 15 to 20 minutes, or until it’s heated evenly throughout and regains its comforting warmth. For added moisture, you can sprinkle a tablespoon or two of milk or water over the top before reheating.
Can You Freeze Baked Oatmeal? Absolutely! Your Freezer-Friendly Breakfast Solution
Beyond refrigerator storage, this baked oatmeal recipe is also wonderfully freezer-friendly, making it an excellent option for long-term meal planning. Freezing allows you to extend its shelf life significantly, providing an even more convenient breakfast solution for busy periods.
You have two main options for freezing baked oatmeal: you can freeze the entire baked dish as a whole, or you can divide it into convenient individual portions before freezing. For individual portions, allow the baked oatmeal to cool completely, then slice it into your desired serving sizes. Wrap each piece tightly in plastic wrap or aluminum foil, then place them in a freezer-safe bag or container. This helps prevent freezer burn and makes it easy to grab just one serving at a time. The baked oatmeal will maintain its quality in the freezer for up to 6 months.
When you’re ready to enjoy a frozen serving, there’s no need to thaw it beforehand. You can reheat individual portions directly from frozen in the microwave. Place a frozen portion in a microwave-safe bowl and heat for approximately 5 to 6 minutes, pausing halfway through to stir if possible. Since freezing can sometimes dry out baked goods slightly, we recommend adding a little splash of milk or water over the oatmeal before or during reheating. This helps to restore its moisture and ensure it’s as creamy and delicious as when it was first baked. Once reheated, finish it off with your favorite toppings – a handful of fresh berries, a drizzle of maple syrup, or a sprinkle of nuts – and savor your quick, wholesome breakfast!

More Delicious Oatmeal Recipes to Explore
If you’ve loved this baked oatmeal, you’ll be thrilled to discover more creative and healthy ways to enjoy oats for breakfast or anytime!
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Carrot Cake Oatmeal Cups {High Fibre + Meal Prep}
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Banana Oatmeal Breakfast Cookies {High Protein}
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High Protein Peach Baked Oatmeal
Recommended Meal Prep Tools for This Baked Oatmeal Recipe
To make your baked oatmeal meal prep experience even smoother and more efficient, here are a few essential tools that will come in handy:
- Grab some durable glass meal prep bowls for easy portioning and storage of this delicious recipe. They’re perfect for keeping your individual servings fresh in the refrigerator.
- If you plan to freeze portions of your baked oatmeal, consider using glass microwave-safe bowls. These are ideal for freezing individual servings for up to 3 months and can go straight from the freezer to the microwave for quick reheating.

The Best Baked Oatmeal Recipe
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Ingredients
- 3 cups rolled oats (use certified gluten-free if needed)
- 1 tsp ground cinnamon
- 1 tsp baking powder
- 1/2 tsp salt
- 1 large ripe mashed banana (or 1/2 cup unsweetened applesauce)
- 2 tbsp melted coconut oil (or other neutral cooking oil)
- 2 cups milk (dairy or non-dairy for vegan option)
- 2 large eggs (or 2 flax eggs for vegan option)
- 1/2 cup maple syrup (or brown sugar, honey)
- 1 tbsp vanilla extract (or almond extract)
- 1 cup fresh or frozen berries, for topping (plus extra maple syrup if desired)
Instructions
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Preheat your oven to 350 F (175 C). In a large mixing bowl, thoroughly combine the rolled oats, cinnamon, baking powder, and salt, ensuring all dry ingredients are well distributed.
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In a separate large bowl, whisk together the mashed banana, melted coconut oil, milk, eggs, maple syrup, and vanilla until smooth. Gently pour the wet ingredients into the dry mixture and fold until just combined. Be careful not to overmix.
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Lightly spray a 9×11 inch baking dish with non-stick spray. Transfer the oatmeal mixture into the prepared dish, spreading it evenly. Bake in the preheated oven for 45 minutes, or until golden brown and set. Remove from oven, let cool slightly, then top with your favorite berries and an extra drizzle of maple syrup before serving. Leftovers can be stored in the refrigerator for up to 5 days.
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Notes
Feel free to customize your baked oatmeal with a variety of delicious toppings and add-ins. Consider incorporating chopped nuts like walnuts or pecans, dried fruits such as raisins or cranberries, chia or hemp seeds for extra nutrients, shredded coconut flakes, a handful of chocolate chips, sliced fresh bananas, or a swirl of jam or honey. These additions can enhance both flavor and texture.
Baked oatmeal is excellent for meal prep! Store any leftovers in an airtight container in the refrigerator for up to 5 days. Reheat individual portions in the microwave for about 1 minute. For larger amounts, reheat in the oven at 350°F (175°C) for 15-20 minutes, adding a splash of milk or water for moisture.
This recipe also freezes beautifully for future enjoyment. Freeze baked oatmeal in a single block or in individual portions for up to 6 months. To reheat from frozen, microwave individual servings for 5-6 minutes, adding a little milk or water to maintain moisture.
Nutrition
