Ingredients

1/4 cup butter, softened1/3 cup sugar1 egg1 teaspoon vanilla extract2-1/3 cups all-purpose flour4 teaspoons baking powder1/2 teaspoon salt1 cup milk1-1/2 cups fresh or frozen blueberriesSTREUSEL:1/2 cup sugar1/3 cup all-purpose flour1/2 teaspoon ground cinnamon1/4 cup cold butter

Preparation

In a large bowl, cream butter and sugar. Beat in egg and vanilla; mix well. Combine the flour, baking powder and salt; add to creamed mixture alternately with milk. Fold in blueberries.

Fill 12 greased or paper-lined muffin cups two-thirds full. In a small bowl, combine the sugar, flour and cinnamon; cut in butter until crumbly. Sprinkle over muffins. Bake at 375° for 25-30 minutes or until browned. Cool for 5 minutes before removing to a wire rack. Serve warm.