Layer #1:

1 cup flour
1/3 cup butter
1/3 cup pecans, chopped
1-1/2 tbsp sugar

Mix, press in greased pan for 15 minutes at 350°F. Cool.

Layer #2:

8 oz. cream cheese, softened
1 cup powdered sugar
1 cup Cool Whip

Mix and spread over the crust. Chill for 1-1/2 hours.

Layer #3:

3 pkg. instant pudding
4-1/3 cups milk

Combine. Spread this on top of Layer #2.

Layer #4:

Top with Cool whip. Sometimes I put chopped nuts on this, too. Refrigerate until needed.