Blueberry Squares

Difficulty: easy Prep Time: Ten Minutes Total Time: More than 1 hour
1 cup butter
1 cup sugar
1 egg
2 1/2 cup flour
1 1/2 tsp baking powder
2 tsp salt

Filing:
2 cup blueberries
1/2 cup brown sugar
1 cup water
1 tsp vanilla
2 tsp cornstarch

Cream butter, sugar and egg. Add dry ingredients. Mix until resembles crumbs. Put half of crumbs on bottom of 9x9 greased pan. Cook filling. Dissolve cornstarch in a small amount of cold water. Stir until thickened. Put filling over bottom crust. Sprinkle with remaining crumbs. Bake at 350°F until golden brown, approx. 25 minutes. Serve warm or cold.