Chocolate Sponge Cake Supreme - cooking recipe

Ingredients

8 eggs
2 egg yolks
1 c. sugar
1 1/2 tsp. vanilla extract
1 c. flour
2/3 c. cocoa powder
1/4 tsp. salt
3 Tbsp. unsalted butter (melted)

Preparation

Preheat oven to 350\u00b0F.
Butter and flour a 10-inch baking pan.