Ingredients

  • 4 eggs
  • 2 tablespoons lemon zest
  • 1/2 cup sugar, separated
  • 1 1/2 cup almond flour
  • 1 teaspoon baking powder
  • 1/2 teaspoon kosher salt
  • 1/4 cup sliced blanched almonds
  • Confectioners' sugar, for garnish

Method

  • Preheat the oven to 350 degrees .
  • Place a round of parchment paper on the bottom of a 9-inch springform pan, and grease it and the sides of the pan with butter or cooking spray.
  • Separate the egg yolks and whites.
  • Set whites aside and whisk the yolks together with the lemon zest and 1/4 cup of sugar.
  • In a separate bowl, stir together the almond flour, baking powder and salt.
  • Add the flour mixture to the egg mixture and combine thoroughly.
  • In a stand mixer, whisk the egg whites on low, gradually increasing the speed to medium.
  • When the whites begin to froth and increase in volume, slowly add the remaining 1/4 cup of sugar.
  • Increase the speed to medium-high and beat until soft peaks form.
  • Fold the egg whites into the almond flour mixture and pour into the pan.
  • Sprinkle the top with the almonds and bake for 30 minutes.
  • Remove from the oven and let cool for 10 minutes.
  • Release the springform pan and place the cake on a serving plate.
  • Sprinkle generously with confectioners' sugar and serve.