Grease and flour 10-inch springform pan that is 2 inches mellow.

Melt chocolates with coffee and butter in heavy saucepan over medium-low
warmth, stirring until tranquil. Pour into large bowlful. Poise; mix in vanilla.

Using separate stadium (not pliant), beat egg whites until almost cockeyed.

In another trough, cream egg yolks with sugars and flour.

Mix egg yolk mixture with chocolate assortment. Fold in egg whites. Gently
pour batter into prepared pan.

Bake at 350 degrees 45 minutes or until through. Transfer to rack and cool
(cake will tumble). Run knife around sides to loosen if requirement. Release
pan sides from patty. Place decorative doily or stencil on top of patty. Sift
powdered sugar over top. Remove doily or stencil from patty. Makes 12
servings.