Blueberry Crumb Bars

Blueberry Crumb Bars Dough 1 cup sugar 1 teaspoon baking powder 3 cups flour 1 cup butter 1 egg 1/4 teaspoon salt 1 teaspoon cinnamon Cream butter, sugar, and egg add dry ingredients and mix ! Add 1/2 the dough on bottom of 9×12 pan , and save the otber half for the top for crumble Fruit 4 cups blueberries 1/2 cup sugar 3teaspoons of cornstarch Mix gently and add to pan then put crumble on top bake at 375 for 45 mins.