Ingredients:
1 pkg. (2 layer) white cake mix
1 1/4 c. water
1/3 c. vegetable oil
3 egg whites
1 c. coarsely crushed chocolate sandwich cookies with white filling
1 c. shortening
1 Tbsp. vanilla
4 1/2 c. sifted powdered sugar, divided
4-5 Tbsp. milk, divided
2 oz. semisweet chocolate
1 tsp. shortening
Directions:
Prepare cake mix according to package directions, using water, oil and egg whites. Fold in crushed cookies.
Pour into 2 greased and floured 9 inch round cake pans. Bake at 350 degrees for 25-30 minutes or until toothpick inserted in centers comes out clean. Cool for 10 minutes in pans on wire racks. Remove from pans and cool cake layers.
Beat 1 c. shortening and 1 vanilla for 30 seconds. Slowly add 2 1/2 c. sifted powdered sugar, beating well. Add 2 Tbsp. milk. Gradually beat in 2 c. sifted powdered sugar and 2-3 Tbsp. milk to make a spreadable frosting.
Fill, frost and stack the cake layers.
In a heavy saucepan, melt semisweet chocolate and shortening over very low heat. Drizzle melted chocolate around top of cake. Garnish with additional sandwich cookies, if you like.