High-Protein Triple Berry Cake

A soft, moist berry cake packed with protein from Greek yogurt, protein powder, and eggs — perfect for breakfast, dessert, or post-workout snacks.

Why You’ll Love It

• High in protein
• Naturally sweet from berries
• Moist texture
• Lower sugar option
• Great for meal prep
• Can be made gluten-free

Ingredients (8–10 slices)

Dry Ingredients

• 1 cup oat flour
• ½ cup vanilla protein powder
• 1 teaspoon baking powder
• ½ teaspoon baking soda
• Pinch of salt

Wet Ingredients

• 2 large eggs
• 1 cup plain Greek yogurt
• ¼ cup honey or maple syrup
• ¼ cup milk
• 1 teaspoon vanilla extract

Triple Berry Mix

Use any combination of:

• Strawberry
• Blueberry
• Raspberry

About:

• 1½ cups total berries
• Fresh or frozen

Optional Add-Ins

• Lemon zest
• White chocolate chips
• Chia seeds
• Sliced almonds
• Coconut flakes

Equipment

• 8-inch cake pan or loaf pan
• Mixing bowls
• Whisk
• Spatula

Step-by-Step Instructions

Step 1: Preheat Oven

Preheat oven to:

• 350°F (175°C)

Grease or line your cake pan with parchment paper.

Step 2: Mix Dry Ingredients

In a large bowl combine:

• Oat flour
• Protein powder
• Baking powder
• Baking soda
• Salt

Whisk well to remove lumps.

Step 3: Mix Wet Ingredients

In another bowl whisk:

• Eggs
• Greek yogurt
• Honey
• Milk
• Vanilla

Mix until smooth and creamy.

Step 4: Combine Batter

Slowly fold wet ingredients into dry ingredients.

Do not overmix.

The batter should be thick but scoopable.

If too thick:

• Add 1–2 tablespoons milk

Step 5: Add Berries

Gently fold in the berries.

Tip:

If using frozen berries:

• Do not thaw first
• Toss lightly in oat flour to reduce sinking

Step 6: Bake

Pour batter into prepared pan.

Bake:

• 30–40 minutes

Cake is done when:

• Top is golden
• Toothpick comes out mostly clean

Cooling

Let cool:

• 10 minutes in pan
• Then transfer to wire rack

Cooling helps the protein structure set properly.

Optional Protein Frosting

Ingredients

• ½ cup Greek yogurt
• 1 scoop vanilla protein powder
• 1 teaspoon honey

Mix until smooth.

Spread over cooled cake.

Top with extra berries.

Nutrition (Approximate Per Slice)

Depends on ingredients used.

Estimated:

• Protein: 12–18g
• Calories: 180–250
• Lower sugar than traditional cake

Variations

Lemon Berry Protein Cake

Add:

• Lemon zest
• Lemon juice

Chocolate Berry Version

Replace vanilla protein powder with chocolate.

Cheesecake Style

Swirl softened cream cheese into batter.

Muffin Version

Bake in muffin tins:

• 18–22 minutes

Storage

Fridge

Store airtight:

• Up to 5 days

Freezer

Freeze slices individually:

• Up to 2 months

Serving Ideas

Serve with:

• Extra Greek yogurt
• Berry compote
• Nut butter
• Coffee or tea