Topping:
* 1/2 cup brown sugar
* 1/4 cup sifted all-purpose flour (sift before measuring)
* 1/4 cup butter, room temperature
* 1 teaspoon cinnamon
Blend with fork until crumbly. Set aside.
Cake:
* 1 1/2 cups sifted all-purpose flour (sift before measuring)
* 2 1/2 teaspoons baking powder
* 1 egg, beaten
* 3/4 cup sugar
* 1/3 cup melted butter
* 1/2 cup milk
* 1 teaspoon vanilla extract
Sift 1 1/2 cups sifted flour with baking powder and salt into a bowl. In a medium bowl, beat together beaten egg and 3/4 cup sugar and 1/3 cup melted butter. Add milk and vanilla. Stir in flour mixture and mix well.
Pour batter into a greased and floured 8-inch square or 9-inch layer-cake pan. Sprinkle topping crumb mixture evenly over batter. Bake at 375° for 25 to 30 minutes, or until cake tests done.
