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This easy baked oatmeal is the best way to start your day! It’s almost like eating a warm oatmeal cookie in a bowl. Naturally sweetened with honey or maple syrup and filled with fruit. This single serving breakfast is baked in one pan for easy cleanup.
Oats are always a wonderful choice for breakfast but this unique healthy baked oatmeal is perhaps my favorite way to enjoy eating them.
Baked oatmeal is a little like a breakfast casserole made with oats, milk, spices, egg, and often fruit. It’s one of my favorite healthy oatmeal recipes.
Why I Love This Recipe
In this baked oatmeal recipe, a layer of fruit lines the bottom of a buttered oven-safe dish.
We love using blueberries, fresh or frozen but feel free to use your favorite fruits in this oatmeal recipe. Sliced bananas, sliced strawberries, and chopped apples are wonderful additions.
The fruit is topped with a blend of oats and spices. A mixture of milk, melted butter, vanilla, an egg, and a touch of maple syrup or honey is whisked together and drizzled over the top.
The oatmeal casserole bakes in the oven and can be enjoyed soon after. Enjoy the oats hot, served with milk, yogurt or cream, drizzled with additional honey or as is.
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Ingredient Notes
See recipe box below for ingredient amounts and full recipe instructions.
- Oats: Use old-fashioned oats for best results.
- Cinnamon and salt: I love adding a little cinnamon to my baked oatmeal but feel free to experiment with different spices in your recipe.
- Milk: Any percentage of cow’s milk or you can use almond, soy, or coconut milk instead.
- Butter: Use salted butter.
- Vanilla extract: For flavor.
- Egg: 1 large egg is all you need.
- Honey: This baked oatmeal is not a sweet breakfast. I like using only a small amount of honey because I will often add additional fruit or vanilla yogurt to the top. Be sure to sweeten it as you prefer. If you think you’d like your oatmeal to be a little sweeter, add additional sweetener.
- Fruit: Use blueberries or your favorite fruit. You can use fresh or frozen and thawed fruit.
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How To Make This Recipe
- Mix together the dry ingredients.
- Whisk together the liquid ingredients.
- Line a small dish with fruit.
- Pour the oat mixture over fruit.
- Spread the oat mixture evenly over the fruit.
- Pour egg/milk mixture over everything and bake.
After about 40 minutes in the oven, the oatmeal is ready to enjoy!
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Expert Tips
- Baked oatmeal comes together quickly and easily. The best part about this recipe is that it’s easily customizable. Just remember the formula of one part dry ingredients, one part wet ingredients, one egg, and about a tablespoon of honey.
- 1/4-cup of oats seems to be the ideal amount of oats for one person and make sure the liquid ingredients measure to be the same amount (1/4-cup) before adding the egg.
- Feel free to experiment with different spices in your recipe. Nutmeg and cardamom are great choices.
- You do not have to use cow’s milk in this recipe. Almond milk, soy milk, and coconut milk make excellent choices.
- Sweeten your baked oatmeal to taste. I use a small amount of sweetener in this recipe because I often like to add fruit to the top or serve it with vanilla yogurt.
- If you think you’d like your oatmeal to be a little sweeter, add additional sweetener.
- We love using blueberries, fresh or frozen but feel free to use your favorite fruits. Sliced bananas, sliced strawberries, and chopped apples are wonderful additions.
- Enjoy baked oatmeal hot, served with milk, yogurt or cream, drizzled with additional honey or as is.
Frequently Asked Questions
Yes, the crisp, golden-brown oatmeal is as delicious fresh out of the oven as it is reheated the next day in the oven or microwave.
In this baked oatmeal recipe, I use a 5-inch baking dish. This dish holds about 1.5 cups and has an area of 25 square inches. A 4×6-inch dish has an area of 24 square inches and will work as well. For best results, use a dish of similar size. See our FAQ page for additional information on baking dish sizes.
For examples of the dishes used at One Dish Kitchen, please visit our Store page.
Ways To Use Leftover Ingredients
If you have any ingredients leftover from this baked oatmeal recipe, you might like to consider using them in any of these single serving and small batch recipes:
- Oats: Oatmeal Cookies, Butter Pecan Granola, Baked Apples
- Cinnamon: Apple Cinnamon Scones, Snickerdoodles, Donut Holes
- Vanilla: Pralines, Peach Dutch Baby, Mini Spice Cake
- Honey: French Bread, Honey Lemon Custard, Turmeric Tea
- Egg: Cheesy Baked Eggs, Two Ingredient Chocolate Cake, Coconut Cream Pie
- Blueberries: Blueberry Cobbler, Blueberry Muffin, Blueberry Crumble
If you’ve tried this baked oatmeal or any recipe on One Dish Kitchen please let me know how you liked it by rating the recipe and telling me about it in the comment section below.
If you take a picture please tag us on Instagram (@onedishkitchen) we’d love to see!
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Recipe
Baked Oatmeal For One
Equipment
Ingredients
- 1/4 cup old fashioned oats
- 1/8 teaspoon ground cinnamon
- 1/8 teaspoon kosher salt
- 1/4 cup 1% milk (may also use almond or soy milk)
- 1 tablespoon salted butter , divided
- 1/4 teaspoon vanilla extract
- 1 tablespoon honey
- 1 large egg
- 1/4 cup blueberries (you want to line the bottom of your baking dish with fruit. Use up to 1/2 cup of fruit if necessary)
Instructions
- Heat oven to 350 degrees F (177 degrees C). Generously butter the insides of a 5-inch baking dish with ½ tablespoon of butter.
- In a small bowl, mix together the oats, cinnamon, and salt.
- In another small bowl, whisk together the milk, ½ tablespoon melted butter, vanilla, honey, and egg.
- Arrange the blueberries in a single layer in the bottom of the prepared baking dish.
- Sprinkle the dry ingredients over the fruit.
- Next, pour the wet ingredients over everything.
- Bake until the top is golden brown, 40-45 minutes.
Video
Notes
- Baked oatmeal comes together quickly and easily. The best part about this recipe is that it’s easily customizable. Just remember the formula of one part dry ingredients, one part wet ingredients, one egg, and about a tablespoon of honey.
- 1/4-cup of oats seems to be the ideal amount of oats for one person and make sure the liquid ingredients measure to be the same amount (1/4-cup) before adding the egg.
- Feel free to experiment with different spices in your recipe. Nutmeg and cardamom are great choices.
- You do not have to use cow’s milk in this recipe. Almond milk, soy milk, and coconut milk make excellent choices.
- Sweeten your baked oatmeal to taste. I use a small amount of sweetener in this recipe because I often like to add fruit to the top or serve it with vanilla yogurt.
- If you think you’d like your oatmeal to be a little sweeter, add additional sweetener.
- We love using blueberries, fresh or frozen but feel free to use your favorite fruits. Sliced bananas, sliced strawberries, and chopped apples are wonderful additions.
- Enjoy baked oatmeal hot, served with milk, yogurt or cream, drizzled with additional honey or as is.
Nutrition
The information shown is an estimate provided by an online nutrition calculator. It should not be considered a substitute for a professional nutritionist’s advice.
I agree with Dianne, having the pictures sprinkled among the directions is difficult. It was difficult for me because I had to keep scrolling back up to get the amount of each ingredient. However, the recipe was delicious. I would be interested to know how long it needs to cook in an air fryer.