Gluten-Free Keto Lemon Almond Cake
A light, fluffy keto cake made with almond flour and brightened with fresh lemon zest and bursts of sweet blueberries. The separated eggs create an airy texture similar to a traditional sponge cake, while Swerve sweetener keeps it sugar-free. Perfect for special occasions when you want an elegant dessert that fits low-carb lifestyles. The combination of tart lemon and sweet berries makes this cake refreshing and satisfying without the carb load of traditional cakes.
Ingredients
Instructions
- 1
Preheat oven to 350F and line an 8-inch removable bottom pan with parchment paper, then spray with cooking spray
- 2
Beat egg yolks and powdered sweetener on medium-high speed for 3-5 minutes until pale, thick and fluffy
- 3
Add lemon zest and almond flour to yolk mixture and mix until just combined
- 4
Beat egg whites separately on medium-high speed for 2-3 minutes until stiff peaks form
- 5
Fold one quarter of egg whites into almond yolk mixture, then continue adding remaining whites gradually, folding after each addition
- 6
Fold in blueberries that have been tossed with extra almond flour
- 7
Pour batter into prepared pan and smooth top
- 8
Bake for 30 minutes until toothpick inserted comes out clean
- 9
Cool in pan for 15 minutes before removing
- 10
Dust with powdered sweetener and top with additional blueberries before serving
Tips
Toss blueberries in the extra tablespoon of almond flour before folding into batter to prevent them from sinking to the bottom during baking
Fold egg whites gently to maintain the airy texture - overmixing will deflate the cake and make it dense
Make sure egg whites reach stiff peaks before folding for maximum lift and fluffiness
Good to Know
Cover and store at room temperature for up to 2 days or refrigerate for up to 5 days
Can be made 1 day ahead - wrap tightly and store at room temperature
Serve at room temperature, dust with additional powdered sweetener just before serving
Common Mistakes
Avoid overmixing egg whites into batter to prevent deflating the cake
Don't skip tossing blueberries in flour to prevent them from sinking
Ensure egg whites reach stiff peaks before folding for proper lift
Substitutions
Nut-Free Alternatives
General Alternatives
FAQ
Can I use fresh blueberries instead of frozen?
Yes, fresh blueberries work well but may burst more during baking and release more juice into the batter.
What if I don't have a removable bottom pan?
You can use a regular 8-inch cake pan lined with parchment, but run a knife around edges before cooling to prevent sticking.
How long will this cake keep?
Store covered at room temperature for 2 days or refrigerate for up to 5 days. The texture stays best at room temperature.