Chocolate Decadence Cake - cooking recipe

Ingredients

6 oz. semi-sweet chocolate
2 oz. unsweetened chocolate
1/3 c. freshly brewed Espresso
1 c. unsalted butter
1 Tbsp. vanilla extract
6 large eggs (room temperature), separated
1 c. dark brown sugar, firmly packed
1/2 c. sugar
1/3 c. sifted all-purpose flour
powdered sugar

Preparation

Position rack in center of oven and preheat to 350\u00b0.
Butter 10-inch spring-form pan with 2-inch sides.
Melt both chocolates with Espresso and butter in heavy saucepan over medium-low heat, stirring until smooth.
Pour into large bowl.
Cool.
Mix in vanilla extract.