admin1 This Flourless Protein Lemon Cake is soft, moist, and bursting with bright lemon flavor while packing an impressive 12 grams of protein per slice. Made without traditional flour, this healthy cake uses protein powder and almond flour to create a tender crumb that’s naturally gluten-free and incredibly satisfying.
Perfect as a post-workout snack, healthy breakfast, afternoon treat, or light dessert, this lemon cake proves that nutritious baking can still be delicious. With only 195 calories per serving, it’s a guilt-free way to enjoy a slice of cake while meeting your protein goals.
Why You’ll Love This Recipe
- 12g protein per slice
- Only 195 calories
- Naturally gluten-free
- Flourless recipe
- Moist and tender texture
- Fresh lemon flavor
- Easy one-bowl preparation
- Perfect for meal prep
Preparation Time
- Prep Time: 10 minutes
- Bake Time: 25–30 minutes
- Cooling Time: 15 minutes
- Total Time: 55 minutes
Yield
- 8 slices
Ingredients
Dry Ingredients
- 1 cup vanilla protein powder
- 1 cup almond flour
- 1 teaspoon baking powder
- ¼ teaspoon salt
Wet Ingredients
- 3 large eggs
- â…“ cup plain nonfat Greek yogurt
- ¼ cup fresh lemon juice
- 1 tablespoon lemon zest
- ¼ cup granulated monk fruit sweetener or erythritol
- 1 teaspoon vanilla extract
- 2 tablespoons melted coconut oil
Optional Lemon Drizzle
- ¼ cup powdered monk fruit sweetener
- 1 tablespoon lemon juice
Equipment Needed
- Mixing bowl
- Whisk
- 8-inch round cake pan
- Parchment paper
- Cooling rack
Instructions
Step 1: Preheat the Oven
Preheat your oven to:
350°F (175°C)
Grease an 8-inch round cake pan and line the bottom with parchment paper.
Step 2: Mix the Dry Ingredients
In a large bowl, whisk together:
- Protein powder
- Almond flour
- Baking powder
- Salt
Mix until evenly combined.
Step 3: Combine Wet Ingredients
In a separate bowl, whisk together:
- Eggs
- Greek yogurt
- Lemon juice
- Lemon zest
- Sweetener
- Vanilla extract
- Melted coconut oil
Mix until smooth and creamy.
Step 4: Make the Batter
Pour the wet ingredients into the dry ingredients.
Stir until fully incorporated.
The batter will be thick.
Allow it to rest for:
2–3 minutes
so the protein powder can absorb moisture.
Step 5: Bake
Spread the batter evenly into the prepared cake pan.
Bake at:
350°F (175°C) for 25–30 minutes
or until the center is set and a toothpick inserted into the middle comes out clean.
Internal Temperature
For best results:
200–205°F (93–96°C)
Step 6: Cool
Allow the cake to cool in the pan for:
10 minutes
Then transfer to a cooling rack.
Cool completely before glazing.
Step 7: Add the Lemon Drizzle (Optional)
Whisk together:
- Powdered monk fruit sweetener
- Lemon juice
Drizzle over the cooled cake.
Allow the glaze to set for 5 minutes before slicing.
Expert Tips
Use Fresh Lemons
Fresh lemon juice and zest provide the brightest flavor.
Avoid Overbaking
Protein cakes can dry out quickly if baked too long.
Let the Batter Rest
A short rest improves moisture and texture.
Cool Completely
The cake firms up and slices more cleanly after cooling.
Variations
Lemon Blueberry Protein Cake
Fold in:
- ½ cup fresh blueberries
Lemon Poppy Seed Cake
Add:
- 1 tablespoon poppy seeds
Coconut Lemon Cake
Add:
- ¼ cup unsweetened shredded coconut
Dairy-Free Version
Substitute Greek yogurt with dairy-free yogurt.
Extra Citrus Cake
Add:
- 1 teaspoon orange zest
for a citrus blend.
Storage Instructions
Refrigerator
Store in an airtight container for up to:
5 days
Freezer
Wrap individual slices and freeze for:
2 months
Thaw overnight before serving.
Serving Suggestions
Enjoy with:
- Fresh berries
- Greek yogurt
- Coffee
- Herbal tea
- Protein shake
- Sugar-free whipped topping
Nutritional Information
Per Slice (1 of 8 slices)
- Calories: 195
- Protein: 12g
- Carbohydrates: 9g
- Fiber: 2g
- Net Carbs: 7g
- Fat: 12g
- Saturated Fat: 3g
- Sugar: 2g
- Sodium: 125mg
Nutrition values are estimates and may vary depending on specific ingredients used.
Frequently Asked Questions
Is this cake truly gluten-free?
Yes, provided your protein powder and baking powder are certified gluten-free.
What protein powder works best?
Vanilla whey-casein blends or high-quality plant-based protein powders typically provide the best texture.
Can I make muffins instead?
Yes. Divide the batter into 8 muffin cups and bake at 350°F (175°C) for 15–18 minutes.
Why is my cake dense?
Protein cakes naturally have a denser texture than traditional cakes. Avoid overmixing and overbaking for the best results.
Can I make it sugar-free?
Yes. Use monk fruit or erythritol sweetener for a completely sugar-free version.
