Combine for Topping:

1/3 cup melted butter

2/3 cup chocolate chips

1/2 cup graham crackers

1/2 cup chopped walnuts

Then melt 1/3 cup chocolate chips and set them aside for a moment.

Cream together:

1/2 cup butter

1 1/2 cup sugar

2 eggs

Now add the melted chocolate chips to this mixture.

Add 1 tsp vanilla

Combine dry ingredients in separate bowl:

2 cups flour

1 tsp baking soda

1 tsp salt

Combine the wet ingredients into the dry mixture, and add 1 1/4 cup buttermilk.

Pour into 2 9-inch cake pans, or 1 oblong pan.

Put topping on top of batter.

Bake 30-40 minutes at 375.

Cool.

Put Cool Whip on bottom layer, sides and top of round cake, or on top of oblong cake.