This Healthy Baked Oatmeal is a cozy, nourishing breakfast you can make once and enjoy all week. It’s lightly sweet, warm, and filling—perfect for busy mornings or a relaxed weekend brunch.
If you love oatmeal but want something a little more exciting, this baked version is the upgrade. It’s easy to customize, naturally sweetened, and has a soft, comforting texture that feels like a treat without being heavy.
Why You’ll Love This Baked Oatmeal
- Great for meal prep
- Naturally sweetened
- Easy to customize
- Family-friendly
- Works for breakfast or brunch
Is Baked Oatmeal Healthy?
Yes—when it’s made with whole, simple ingredients. Oats are naturally high in fiber and linked to healthy cholesterol levels. This baked oatmeal uses fruit, spices, and maple syrup for natural sweetness instead of refined sugar, making it both nourishing and satisfying.
What Does Baked Oatmeal Taste Like?
It has a soft, lightly chewy, custard-like texture, similar to bread pudding—but much lighter and not overly sweet.
Easy Ways to Customize
This recipe is very forgiving. Try one or more of these ideas:
- Fresh fruit: blueberries, strawberries, raspberries, blackberries
- Dried fruit: raisins, cranberries, apricots
- Different sweeteners: honey, coconut sugar, or none at all
- Omega-3 boost: flaxseed or chia seeds
- Nutty: swirl in peanut or almond butter
- Apple version: diced apples or applesauce
For Special Diets
- Vegan: use flax eggs and coconut oil or olive oil
- Gluten-free: use certified gluten-free oats and oat flour
How to Serve Baked Oatmeal
Enjoy warm as-is, or add a splash of milk (dairy or plant-based) for a creamier texture. A little melted butter on top is also delicious.
How to Store & Reheat
This baked oatmeal is perfect for meal prep.
Keeps in the fridge for up to 5 days, and in the freezer for up to 3 months. Reheat slices in the microwave or oven.
Print
Baked Oatmeal with Blueberries
- Prep Time: 5
- Cook Time: 45
- Total Time: 50 minutes
- Yield: 9
- Category: Breakfast, Dessert
- Method: Bake
- Cuisine: America
Description
This Healthy Baked Oatmeal with Blueberries is warm, lightly sweet, and perfect for meal prep. Made with wholesome ingredients and naturally sweetened, it’s an easy make-ahead breakfast that feels cozy without being heavy.
Ingredients
- 2 cups unsweetened almond milk (or any type of milk you prefer)
- 1/3 cup maple syrup (OR honey, or sweetener of your choice; more or less to taste)
- 1 large egg (or 1/4 cup apple sauce, or 1 flax egg if preferred)
- 1.5 teaspoons baking powder
- 1 teaspoon vanilla extract
- 1 teaspoon cinnamon
- 1/4 teaspoon fine sea salt
- 2 cups whole rolled oats
- 1 cup berries of your choice, fresh or frozen (we like blueberries)
- Optional: 1/4 cup chopped nuts or seeds of your choice (we like slivered almonds or sunflower seeds)
- Optional: 2 tablespoons melted butter of ghee, slightly cooled
Instructions
- Preheat the oven to 375°F.
- Lightly grease an 8×8 baking dish (or equivalent) with extra virgin olive oil or coconut oil.
- In a medium mixing bowl, whisk together the almond milk (or milk of your choice), egg, honey, vanilla, cinnamon, baking powder and 1/4 teaspoon sea salt.
- Stir in the oats and seeds/nuts and berries, if using. The melted butter should be stirred in with the oats, if using.
- Pour into the baking sheet.
- Bake 25-35 minutes, until the oats have absorbed the liquid and the oatmeal is set.
- Let cool 5-10 minutes and serve warm, room temperature, or cold. Keeps in the fridge up to 4 days.
Notes
Optional pre-step: Make your own oat flour by processing 1 cup of whole rolled old fashioned oats in a food processor for about two minutes, pausing every 30 seconds to let it settle. Process until milled into a fine flour. OR, buy oat flour in the bulk bins at your store.
Nutrition
- Calories: 188 (per serving WITH the walnuts)
Healthy Baked Oatmeal FAQs
What is the healthiest way to cook oatmeal?
Baking oatmeal with fruit, spices, and healthy fats is one of the healthiest ways to enjoy it because it adds fiber, antioxidants, and natural sweetness without refined sugar.
Is baked oatmeal healthier than overnight oats?
Both can be healthy. Baked oatmeal is warm and filling, while overnight oats are cold and quick. The health factor depends on the ingredients you add.
Is baking powder necessary?
Baking powder makes the oatmeal lighter and fluffier. You can skip it, but the texture will be more dense.
Is oatmeal gluten-free?
Oats are naturally gluten-free, but may be cross-contaminated during processing. If needed, choose certified gluten-free oats.
Can I make baked oatmeal vegan?
Yes. Use flax eggs and coconut oil or olive oil instead of butter or dairy.
Other Recipes You’ll Love:
If you like this oatmeal bake, here are some other yummy breakfast recipes you’re sure to love:
There is a reference to baking powder but the ingredient list doesn’t include it, can you clarify? Also if you add the butter does it just get added in the final mix?
Whoops, sorry about that! Add 1.5 teaspoons of baking powder to the mixture when you add the spices. It’s actually ok if you don’t add it, it will just be a bit flat. The baking powder helps make it fluffy so I recommend it! The melted butter should be stirred in with the oats, if using.
Can I use steel cut oatmeal for this recipe?