1 1/2 stick butter
1 1/2 cups flour
1 cup chopped pecans

8 oz. pkg. cream cheese
1 1/2 cups powdered sugar
1 8-oz. container Cool Whip

1 lg. pkg. instant chocolate pudding
1 8-oz. container Cool Whip
1 Hershey bar for garnish

Bake crust at 350° for 20-25 min. Cool completely. Add cream cheese layer, then pudding; top with Cool Whip and garnish with chocolate shavings.