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High Protein Triple Berry Bake – Healthy Breakfast in 1 Pan

High Protein Triple Berry Bake fresh from oven

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A cozy, cake-for-breakfast vibe that’s actually packed with protein. Juicy berries, creamy Greek yogurt, and oats bake into a golden, sliceable breakfast (or snack) you can meal-prep in minutes.

Ingredients

Scale
  • 2 cups mixed berries (blueberries, raspberries, strawberries; fresh or frozen)
  • 2 cups rolled oats
  • 1 scoop (≈25–30 g) vanilla protein powder
  • 2 large eggs
  • 1 cup plain Greek yogurt (2% or nonfat)
  • 1/3 cup honey or maple syrup
  • 1 teaspoon baking powder
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon cinnamon
  • 1/4 teaspoon salt
  • Optional toppings (before baking or for serving):
  • 23 tablespoons chopped almonds or walnuts
  • Drizzle of almond butter or peanut butter

Instructions

1. Preheat oven to 350°F (175°C). Grease or line an 8×8-inch baking dish.

2. In a large bowl, mix oats, protein powder, baking powder, cinnamon, and salt.

3. In another bowl, whisk eggs, Greek yogurt, honey (or maple), and vanilla until smooth.

4. Pour the wet into the dry and stir until it looks like thick, creamy oatmeal.

5. Add mixed berries (no need to thaw if frozen) and gently fold to distribute.

6. Spread batter evenly in the dish. If using nuts, sprinkle on top.

7. Bake 35–40 minutes, until set in the center and golden at the edges. A toothpick should come out mostly clean.

8. Cool 10 minutes. Slice into 9 squares.

9. Serve warm as-is or with a drizzle of nut butter.

Notes

Protein boost: Different protein powders vary in sweetness and texture. If yours is unsweetened, you may want an extra 1–2 teaspoons of honey.

Texture control: For a softer, more custardy bake, use 3/4 cup oats + 1/4 cup quick oats swapped in. For a firmer bar, add 2–3 tablespoons of extra oats.

Vegan option: Use 2 flax “eggs” (2 tbsp ground flax + 6 tbsp water; rest 5 min) and coconut yogurt.

Lower sugar: Replace honey with 2 very ripe mashed bananas; bake time may increase by 3–5 minutes.

Gluten-free: Use certified GF oats.

Storage: Refrigerate in an airtight container up to 4–5 days, or freeze slices individually up to 2 months. Reheat in microwave 20–30 seconds.