2 c. crushed graham crackers
3/4 stick melted butter
1 (8 oz.) tub Cool Whip
1 (8 oz.) pkg. cream cheese
1 c. powdered sugar
1/2 c. pecans (optional)
1 can blueberry pie filling

Mix graham crackers and butter and press into 9x9 inch pan. Whip cream cheese and powdered sugar, then mix in Cool Whip. Put mixture in pan. Put pecans on top of whipped mixture. Finally, put blueberry pie filling on top. Cherry pie filling may be used instead of blueberry.