1 c. flour
1 tsp. baking powder
1 tsp. cocoa
1 tsp. salt
1 tsp. instant coffee
6 sq. unsweetened chocolate
2 c. sugar
2/3 c. unsalted butter
4 eggs
2 tsp. vanilla
1 1/2 c. chopped walnuts

Mix flour, baking powder, cocoa, salt and instant coffee; set aside.

Melt butter and chocolate in saucepan over low heat; cool slightly. Stir in sugar, eggs, vanilla, flour mixture and nuts.

Turn into greased 9x13 pan. Bake at 350 degrees 25 minutes. Frost with Superchocolate Icing when cool.