I still remember the first time I made a flourless cake. The scent of lemons filled my kitchen, and I could hardly wait for it to cool down. As I sliced into the soft, delicate cake, I felt proud. This Flourless Protein Lemon Cake is not just a dessert; it’s a symbol of simple ingredients coming together to create something truly delightful. When I share this cake with friends and family, they are always surprised that it has no flour. This recipe is special because it combines the lightness of a sponge cake with the zesty brightness of lemon, making it perfect for any occasion.
why make this recipe
This Flourless Protein Lemon Cake is a lovely option if you’re looking for something sweet but want to try a healthier choice. Made with Greek yogurt and eggs, it packs a protein punch while still being light and refreshing. Plus, it’s gluten-free, making it suitable for those with dietary restrictions. The bright lemon flavor awakens the senses, making it a delightful treat for summer gatherings or just a sunny afternoon snack.
how to make Flourless Protein Lemon Cake
Ingredients:
- 6 medium eggs
- 3 cups unsweetened Greek yogurt (low-fat)
- 1 cup powdered sugar
- 1 cup cornstarch
- 1 lemon (zested and juiced)
Directions:
- Preheat the oven to 340°F. Cover an 8-inch springform cake pan with parchment paper.
- In a large bowl, whisk the eggs until they’re frothy. Next, add the Greek yogurt and mix until smooth.
- Sift the powdered sugar and cornstarch into the bowl, then whisk until all the ingredients are well combined.
- Grate the zest of 1 lemon into the bowl and squeeze in the juice. Mix everything together.
- Pour the batter into the prepared cake pan and bake in the oven for 50 minutes.
- After 50 minutes, increase the oven temperature to 350°F and bake for an additional 20 minutes, or until the sides of the cake turn golden brown.
- Let the cake cool inside the pan for 2 hours.
- Sprinkle with some lemon zest for extra flavor, slice, and serve. Store any leftovers in the fridge, covered.
how to serve Flourless Protein Lemon Cake
This cake can be enjoyed on its own, but it pairs wonderfully with a dollop of whipped cream or a scoop of your favorite ice cream. You can also serve it with fresh berries for added color and taste.
how to store Flourless Protein Lemon Cake
To store the cake, keep it covered in the refrigerator. It will stay fresh for up to five days. If you have slices left over, simply wrap them individually in plastic wrap for easy snacking.
tips to make Flourless Protein Lemon Cake
- Ensure your eggs are at room temperature for better mixing.
- Be gentle when whisking; over-mixing can make the cake dense.
- For an extra lemony kick, add more lemon zest or a hint of lemon extract to the mix.
variation
Feel free to experiment by adding poppy seeds for a lovely texture or mixing in some berries for a fruity twist. You can also replace the lemon with orange or lime for different flavors!
FAQs
1. Can I use regular yogurt instead of Greek yogurt?
Yes, you can, but Greek yogurt creates a denser and creamier cake.
2. Is this recipe suitable for people with gluten allergies?
Absolutely! Since it doesn’t contain any flour, it’s naturally gluten-free.
3. How can I make the cake sweeter?
You can add more powdered sugar to the mix or serve it with a sweet sauce or berries for an extra touch.

Flourless Protein Lemon Cake
Ingredients
Method
- Preheat the oven to 340°F (170°C). Cover an 8-inch springform cake pan with parchment paper.
- In a large bowl, whisk the eggs until frothy, then add the Greek yogurt and mix until smooth.
- Sift the powdered sugar and cornstarch into the bowl, and whisk until well combined.
- Grate the zest of 1 lemon into the bowl and squeeze in its juice. Mix everything together.
- Pour the batter into the prepared cake pan and bake for 50 minutes.
- After 50 minutes, increase the oven temperature to 350°F (180°C) and bake for an additional 20 minutes, or until the sides turn golden brown.
- Let the cake cool inside the pan for 2 hours.
- Sprinkle with some lemon zest before slicing and serving.
