chocolate cake mix
1 tsp. vanilla
1 stick butter
2/3 c. Crisco
3/4 c. sugar
1 (5 oz.) evaporated milk
1 can chocolate frosting

Mix chocolate cake as package directions.

Bake in a large sheet cake pan 12-15 minutes. Cool. Beat together until smooth the vanilla, butter, Crisco, sugar, and evaporated milk. Spread on cooled cake. Heat one can chocolate frosting in microwave until melted. Power over cake and filling.