Mixed Berry Protein Baked Oatmeal

Mixed Berry Protein Baked Oatmeal is a warm, hearty breakfast that’s naturally sweet, packed with juicy berries, and boosted with protein to keep you full and energized all morning. This make-ahead meal is easy to prepare, perfect for busy mornings, and delicious enough to feel like a treat while still being incredibly nutritious.

Why You’ll Love This Recipe

This baked oatmeal is a wholesome breakfast favorite that comes together with simple, pantry-friendly ingredients. It’s gluten-free, easy to customize, and loaded with fiber and protein. The mixed berries add natural sweetness and tartness, while protein powder gives it staying power. It’s great for meal prep, reheats beautifully, and can be enjoyed warm or cold—ideal for families or anyone with a busy schedule.

ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

• Rolled oats
• Mixed berries (fresh or frozen)
• Protein powder (vanilla or unflavored)
• Eggs (or flax eggs for a vegan version)
• Milk of choice (dairy or plant-based)
• Maple syrup or honey
• Baking powder
• Cinnamon
• Vanilla extract
• Salt
• Coconut oil or butter (for greasing or adding richness)

directions

1. Preheat your oven to 375°F (190°C) and grease a baking dish with coconut oil or butter.
2. In a large bowl, mix rolled oats, protein powder, baking powder, cinnamon, and salt.
3. In a separate bowl, whisk together eggs, milk, maple syrup, and vanilla extract.
4. Pour the wet ingredients into the dry ingredients and stir to combine.
5. Gently fold in the mixed berries.
6. Pour the mixture into the prepared baking dish and spread evenly.
7. Bake for 35–40 minutes, or until the top is golden and the center is set.
8. Let cool slightly before slicing. Serve warm or store for later.

Servings and timing

This recipe makes 6 servings and takes about 10 minutes to prepare, plus 35–40 minutes to bake.

Variations

• Vegan version: Use flax eggs and plant-based milk; choose a vegan protein powder.
• Nutty version: Add chopped almonds, walnuts, or pecans for extra crunch.
• Tropical twist: Swap berries for diced mango, pineapple, or banana.
• Chocolate lovers: Stir in mini chocolate chips or top with a drizzle of dark chocolate.
• Single-serve: Bake in ramekins or muffin tins for individual portions.

storage/reheating

Store leftovers in an airtight container in the refrigerator for up to 5 days. Reheat in the microwave or oven. This baked oatmeal also freezes well—wrap slices individually and thaw overnight or reheat from frozen.

FAQs

Can I use steel-cut oats instead of rolled oats?

No, steel-cut oats won’t work in this recipe as they require a longer cooking time and more liquid. Stick with rolled oats or quick oats.

Can I use frozen berries?

Yes, you can use frozen berries straight from the freezer—no need to thaw them first.

What kind of protein powder should I use?

Vanilla or unflavored works best. Whey, casein, or plant-based powders all work—just ensure it mixes well with liquid.

Is this baked oatmeal gluten-free?

Yes, if you use certified gluten-free oats and check your protein powder and other ingredients.

Can I make this recipe without protein powder?

Yes, just omit the powder and slightly reduce the liquid (by about 1/4 cup). The texture will still be great.

Can I prepare this the night before?

Absolutely. Assemble everything, cover, and refrigerate overnight. Bake in the morning as directed.

How do I know when it’s fully baked?

The top should be golden brown and the center should feel firm when lightly pressed.

Is this kid-friendly?

Yes! It’s naturally sweet and easy to cut into handheld pieces, perfect for little hands.

Can I add sweetener alternatives?

Yes, feel free to use stevia, monk fruit, or erythritol in place of maple syrup or honey.

What’s the best way to serve it?

Serve warm with a drizzle of nut butter, a dollop of yogurt, or a splash of milk.

Conclusion

Mixed Berry Protein Baked Oatmeal is a nourishing, make-ahead breakfast that combines the goodness of oats, the sweetness of berries, and the staying power of protein. It’s simple, versatile, and perfect for fueling your day the wholesome way. Whether you’re feeding your family or prepping meals for the week, this baked oatmeal is a satisfying option you’ll come back to again and again.

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