CRUST:

1/2 c. butter
1 c. flour
4 eggs
1/4 tsp. salt

Melt butter in 1 cup boiling water. Add flour and salt all at once. Stir vigorously. Cook and stir until mixture forms a ball that doesn't separate. Remove from heat; cool slightly. Add eggs, one at a time, beating after each until smooth. Spread on lightly greased 11 x 15 inch pan. Bake at 400 degrees for 35 minutes. Cool slightly then gently press down bumps.

LAYER 2:

1 (8 oz.) pkg. cream cheese
1/4 c. milk
3 sm. pkgs. instant vanilla pudding whipped with 3 c. milk

Mix in cream cheese and pudding mixture. Spread over crust.

LAYER 3:

Spread over pudding: 8 ounce Cool Whip. Drizzle chocolate topping over Cool Whip.