1 1/2 c. crushed pretzels
1 c. sugar
2 stick melted butter
1 pkg. Dream Whip (or 1 sm. Cool Whip)
1 c. powdered sugar
8 oz. cream cheese
1 can blueberry pie filling

Blend together pretzels, sugar and butter. Press in bottom of a 9x13 pan. Mix Dream Whip with powdered sugar and cream cheese. Pour in pan and top with blueberry pie filling. Chill 1 hour.