Almond Flour Cake

Bahan-bahan (12 porsi)

• 4 large eggs (whites and yolks separated)
• 1/2 cup sugar (plus 2 tablespoons, divided)
• 1 teaspoon pure vanilla extract
• 1/2 teaspoon pure almond extract
• 1/2 teaspoon cream of tartar
• 1 1/2 cups almond flour
• 1 teaspoon baking powder (I recommend aluminum-free)
• 1/4 teaspoon kosher salt
• 2 tablespoons lemon zest (about 2 medium lemons)
• Sliced berries, toasted slivered almonds, whipped cream (for serving)