1ST LAYER:

1 stick melted butter
1 c. plus a little flour
1/2 c. finely chopped pecans

Pat this mixture into lightly greased pan or dish (8 x 12 inch). Bake 15 minutes at 350 degrees. Cool.

2ND LAYER:

1 (8 oz.) pkg. cream cheese
1 c. powdered sugar
1 c. Cool Whip

Beat together cream cheese and powdered sugar; add Cool Whip. Spread over 1st Layer; refrigerate until set.

3RD LAYER:

2 sm. pkgs. instant pistachio pudding
3 c. milk
1 tsp. vanilla

Mix pudding with milk and vanilla. Refrigerate after spreading over 2nd Layer; refrigerate until set.

4TH LAYER:

1 c. Cool Whip
Chopped pecans

Spread with Cool Whip to cover; sprinkle with chopped pecans; refrigerate.