LAYER 1:
1 stick butter
1 c. flour
1 c. chopped pecans or walnuts

Mix and press into an 8 x 8 inch or 10 x 10 inch square pan. Bake at 350 degrees for 20 minutes. Let cool.

LAYER 2:
1 (8 oz.) pkg. Philadelphia cream cheese
1 c. powdered sugar
1 c. Cool Whip

Mix and spread over crust.

LAYER 3:
1 sm. box instant chocolate pudding
1 sm. box instant vanilla pudding
3 c. milk

Mix until thick. Spread over second layer.

LAYER 4:

Cover with rest of Cool Whip. Sprinkle with chocolate shavings.