– Preheat oven to 375 degrees
– Place blueberries in a large bowl and sprinkle with 2 tablespoons of flour and sugar over berries - toss blueberries to coat with flour and sugar.
– Place the blueberry mixture in a buttered 8"x 8" baking dish.
– For the topping, cream flour, butter, sugar, salt, and baking powder. Then stir in vanilla extract.