Flourless Protein Cake with Blueberries

Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
Intensity Level: 2/5 (Easy – requires basic mixing and baking)
Yield: 8 slices
Dietary: Gluten-Free, High-Protein, Refined Sugar-Free, Grain-Free

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Why You’ll Love This Cake

This isn’t your dry, chalky protein bake. It’s a moist, tender, and lightly sweet cake bursting with fresh or frozen blueberries. Made without a single spoonful of flour, it relies on creamy protein powder, nut butter, and eggs to create a structure that satisfies like a real dessert.

Perfect for post-workout recovery, a high-protein breakfast, or a guilt-free afternoon treat with coffee.

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Ingredients

Wet Ingredients

• 3 large eggs (room temperature)

• ½ cup (120g) plain Greek yogurt (2% or full-fat)

• ¼ cup (60ml) unsweetened almond milk (or any milk)

• ¼ cup (60ml) maple syrup or honey

• 1 tsp vanilla extract

Dry Ingredients

• 1 cup (90g) vanilla or unflavored whey/casein protein powder Do not use pure whey isolate alone – it makes cake rubbery. A blend or casein works best.

• ¼ cup (30g) coconut flour (absorbs moisture and replaces flour)

• 1 tsp baking powder

• ½ tsp baking soda

• ¼ tsp salt

Folding & Topping

• 1 cup (150g) fresh or frozen blueberries (if frozen, do not thaw)

• Optional: 2 tbsp sliced almonds or unsweetened coconut flakes for topping

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Instructions (Intensity: Low to Medium)

Step 1: Prep (Intensity 1/5 – Very Easy)

Preheat your oven to 350°F (175°C). Line an 8-inch round cake pan with parchment paper and lightly grease the sides with coconut oil or cooking spray. Set aside.

Step 2: Mix Wet Ingredients (Intensity 1/5)

In a large mixing bowl, whisk together the eggs, Greek yogurt, almond milk, maple syrup, and vanilla extract until smooth and slightly frothy. This takes about 1 minute.

Step 3: Combine Dry Ingredients (Intensity 2/5 – Careful not to overmix)

In a separate small bowl, whisk the protein powder, coconut flour, baking powder, baking soda, and salt.
Important: Coconut flour clumps easily. Sift the coconut flour if yours looks lumpy.

Gradually add the dry mixture into the wet mixture, stirring gently with a spatula. The batter will be thick – that’s correct. Mix just until no dry streaks remain. Do not overmix, or the cake will be dense.

Step 4: Fold in Blueberries (Intensity 2/5 – Gentle touch)

Gently fold in the blueberries. If using frozen berries, toss them in 1 teaspoon of coconut flour first to prevent sinking and color bleeding. Fold with a light hand to avoid crushing the fruit.

Step 5: Bake (Intensity 1/5 – Waiting time)

Pour the batter into the prepared pan and spread evenly. Sprinkle optional almonds or coconut on top. Bake for 22–26 minutes, until the top is golden brown, the edges pull away slightly, and a toothpick inserted in the center comes out clean (a little moist crumb is fine; wet batter means bake longer).

Check at 22 minutes: If the top is browning too fast, loosely tent with foil.

Step 6: Cool (Intensity 1/5)

Let the cake cool in the pan for 10 minutes, then transfer to a wire rack to cool completely. Do not skip this – the cake is delicate while warm and will firm up as it cools.

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Time & Intensity Summary

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Nutrition (per slice, 8 slices total)