1 box Swiss Chocolate or devil's food cake mix, prepare according to box directions and bake in 3 layers
1 can chocolate frosting

Filling:

3/4 c. Crisco
1 c. butter
1 c. sugar
2 tsp. vanilla
3/4 c. evaporated milk

Mix Crisco and butter, then add sugar and vanilla. Beat for 7 minutes. Then add milk. Beat 7 more minutes. Spread filling between cake layers and cover with chocolate frosting.