1 stick butter, melted
1/2 c. pecans, chopped
1 c. flour

Mix together. Pat in bottom of 9 x 13 pan. Bake at 400 degrees for 15 minutes. Cool. Gradually add 1 package whipped Dream Whip to one (8 oz.) package cream cheese. Spread carefully on crust. Then add:

3 pkgs. instant pudding (your choice of flavor; chocolate, lemon or butter pecan)
4 1/2 c. milk

Mix until thick, then spread on cream cheese mixture. Add Cool Whip to top. Garnish with nuts and chocolate chips.