2 cups frozen blueberries
¾ cup sugar
2 tbsp tapioca
½ tsp cinnamon
Mix & put in 9×9 pan. Let partially thaw. Top with:

2 cups flour
4 tsp baking powder
½ tsp salt
2 tbsp sugar
½ cup butter
1 cup milk

Mix as for biscuits. Spread over blueberries. Bake 375.