Layer 1: Melt 1/2 cup butter, add 1/2 cup chopped pecans (optional), 1 cup flour, 1/2 cup brown sugar
Mix Layer 1 together and spread on the bottom of a greased 13x9 baking dish
Bake for 10 minutes at 375. Cool thoroughly before adding next layer
Layer 2: Mix together and spread the following on top of the 1st layer. 8 oz cream cheese, 1 cup powdered sugar and 1 cup Cool Whip
Layer 3: Mix together Instant Pudding and milk until thick. Spread on top of the 2nd layer.
Use the remaining Cool Whip and spread on top
Let the dessert sit overnight or a few hours to get cold in the fridge