Duncan Hines chocolate cake mix
1 c. milk
3 tbsp. cornstarch
1/2 c. Crisco
1/2 c. butter
1/4 tsp. salt
1 c. sugar
1 tsp. vanilla

3RD LAYER:

1 stick melted butter
1 egg
1 tsp. vanilla
2 1/2 tbsp. hot water
3 c. powdered sugar
3 pkgs. Choco-Bake (pre-melted chocolate)

Bake cake in 14"x18" in pan at 350 degrees. Bake 15 minutes or until toothpick comes out clean. Cool.

Make icing; cream together butter, Crisco, salt, 1 cup sugar and vanilla. Beat well. Beat in milk and cornstarch mixture. Beat very well. Spread this on top of cooled cake. Refrigerate until the icing isn't too soft to spread next layer.

Whip and spread ingredients for 3rd layer on top of white icing. This chocolate layer will be runny, but it sets up quickly, in refrigerator.