FIRST LAYER:

2 c. flour
1 c. melted butter
1 c. chopped nuts (pecans)

Mix well and pat into 9 x 13 inch pan. Bake at 350 degrees for 20-25 minutes. Cool.

SECOND LAYER:

1 (8 oz.) pkg. cream cheese, softened
1/2 c. powdered sugar
1/2 carton Cool Whip (13 oz. size)

Spread 1/2 on first layer.

THIRD LAYER:

1 pkg. lemon instant pudding
1 pkg. pistachio instant pudding
3 c. milk

Beat until thick; pour over second layer and chill.

FOURTH LAYER:

Top third layer with the other half of the cream cheese mixture. Sprinkle with chopped nuts and chill.