Sponge Cake

Ingredients:

- 1/2 cup corn starch

- 1/4 cup quinoa flour

- 1/2 tsp salt

- 1 tbsp baking powder

- 1/2 tsp xanthan gum

- 5 egg yolks

- 5 egg whites

- 3/4 cup sugar

- 1/4 cup orange

- 1 tsp lemon zest

- 1 tsp vanilla

Preparation:

- Preheat oven to 325F.

- In a large bowl, combine corn starch, quinoa flour, salt, baking powder, xanthan gum.

- In a separate bowl, mix egg yolk, sugar, orange juice, orange, vanilla together. Slowly mix the dry ingredients into the liquid.

- In a measuring cup, beat egg white with egg mixer until the egg foam is stiff (turn the measuring cup upside down, egg foam should not spill).

- Mix the egg white with the liquid mixture.

- Pour the mixture into a tube pan. Bake for 40 minutes.