Step 1

Stir together the melted butter, graham cracker crumbs, and sugar. Press into the bottom of a 9 x 13 baking dish.

Step 2

In a large bowl, beat together the powdered sugar, cream cheese, milk and vanilla until smooth. Carefully spread on top of the crust, being careful not to break it. Top with the whipped topping or homemade whipped cream.

Step 3

Carefully spread on the blueberry pie filling. Chill for at least 6 hours before serving. Store in the refrigerator. Best eaten within a few days.