1 pkg. blueberry mix
1 (21 oz.) can blueberry pie filling
1 tbsp. lemon juice
1 tsp. cinnamon

Drain blueberries from muffin mix; reserve liquid. Stir together reserved liquid, the pie filling, lemon juice, and cinnamon; heat to boiling point into ungreased baking pan, 9 x 9 x 2 inches. Prepare muffin mix directed on package, except pour batter on hot filling. Bake 25 to 30 minutes on 300 degrees.