Use 9 1/2 x 13 pan.

CRUST:

1 c. flour
1 stick butter
1 c. crushed pecans

Blend together and press into pan. Bake at 350 degrees until lightly brown (20 minutes). Cool.

1ST LAYER:

1 (3 oz.) cream cheese
1 c. powdered sugar
1 c. Cool Whip

Blend and spread over crust.

2ND LAYER:

Prepare instant pudding mix (chocolate, lemon, butterscotch, etc.) according to directions on package, but use 1 1/2 cups milk. Spread over 1st layer.

3RD LAYER:

Spread 9 ounce package Cool Whip and chill.