Blueberry Buckle Cake With Cinnamon Spiced Topping

Gather the ingredients. The Spruce Preheat the oven to 350 F. Grease and flour a 9-inch square baking pan. The Spruce Beat the butter with granulated sugar for 3 to 4 minutes, or until light and fluffy. The Spruce Add egg and vanilla extract and beat until well blended. The Spruce In a medium bowl, combine the flour with the baking powder and salt and sift. The Spruce Add sifted dry ingredients to butter mixture alternately with 1/2 cup milk, beating just until smooth. The Spruce Fold in blueberries. The Spruce Spread the batter in the prepared baking pan. The Spruce Combine the topping ingredients and mix with fingers or a fork to blend thoroughly and form crumbs. The Spruce Sprinkle topping crumbs over batter. The Spruce Bake for 40 to 50 minutes, or until a toothpick inserted in the center of the cake comes out clean. The Spruce Serve and enjoy! The Spruce