Classic Blueberry Buckle

Directions

1. Preheat oven to 375°. In a small bowl, cream butter and sugar until light and fluffy, 5-7 minutes. Add egg; beat well. In another bowl, combine the flour, baking powder and salt; add to creamed mixture alternately with milk, beating well after each addition. Fold in blueberries. Spread into greased 9-in. square baking pan.
2. For topping, in a small bowl, combine the sugar, flour and cinnamon; cut in butter until crumbly. Sprinkle over blueberry mixture.
3. Bake until a toothpick inserted in the center comes out clean, 40-45 minutes. Cool on a wire rack. If desired, serve with whipped cream and additional blueberries.