1/2 c. sugar
1 tbsp. cornstarch
4 c. blueberries (frozen, thawed)
2 tbsp. water
1 c. Bisquick
1 tbsp. sugar
1/4 c. milk
1/4 c. sour cream

Combine and bake in 425 degree oven. 1/2 cup milk may be substituted for the milk and sour cream.