Overnight Blueberry Coffee Cake Overnight

1 egg

1/2 cup plus 2 Tbsp sugar -- divided

1 1/4 cups all-purpose flour

2 teaspoons baking powder

3/4 teaspoon salt

1/3 cup milk

3 tablespoons butter -- melted

1 cup fresh blueberries

In a mixing bowl, beat egg and 1/2 cup sugar. Combine flour, baking powder and salt; add alternately with milk to sugar mixture, beating well after each addition. Stir in butter. Fold in berries. Pour into a greased 8-in square baking pan; sprinkle with the remaining sugar. Cover and chill overnight. Remove from the refrigerator 30 minutes before baking. Bake at 350 for 30-35 minutes.