Blueberry Yum Yum

My mother gave me this recipe a while back. We made it for our small group last night and it was quite the tasty almost summertime treat!

Blueberry Yum Yum

For bottom layer:
1 stick margarine, melted
1/2 cup sugar
2 cups graham cracker crumbs

Mix together and spread into bottom of 11x8-in glass baking dish.

For topping:
8-oz cream cheese
1 (8-oz) carton whipped topping
1/2 cup sour cream
1/2 cup sugar
1 can blueberry filling

Whip together until creamy the cream cheese, whipped topping, sour cream, and sugar. Spread over crumb crust. Top with pie filling. Chill thoroughly.