original graham crackers
large box instant vanilla pudding
can blueberry pie filling
1 tub Cool Whip

Mix pudding as directions on box. Mix 1 1/2 cups Cool Whip in pudding; set aside. Line regular cake pan (13 x 9) with graham crackers. Pour 1/2 of pudding mix on crackers and spread. Line another layer of crackers and pour remaining pudding. Line another layer of crackers. Spread blueberry pie filling on top. Top with remaining Cool Whip.