Blueberry Crunch
["4 c. fresh blueberries", "2 c. flour", "1 1/2 c. sugar", "4 Tbsp. margarine", "1 c. milk", "4 tsp. baking powder", "1 c. sugar", "1 Tbsp. cornstarch", "1 c. boiling water"]
["Place blueberries in a 13 x 9-inch pan.", "Mix the flour, 1 1/2 cups sugar, margarine, milk and baking powder.", "Pour batter over berries.", "Mix 1 cup sugar and cornstarch.", "Pour over batter.", "Pour 1 cup boiling water over all. Bake at 350\u00b0 for 1 hour."]
["fresh blueberries", "flour", "sugar", "margarine", "milk", "baking powder", "sugar", "cornstarch", "boiling water"]