1 cup all-purpose flour

3/4 cup sugar

2 tablespoons unsweetened cocoa

1 1/2 teaspoons baking powder

1/4 teaspoon salt

1/2 cup 1% low-fat milk

2 tablespoons vegetable oil

2 teaspoons vanilla

1 cup brown sugar -- firmly packed

1/4 cup unsweetened cocoa

1 3/4 cups boiling water

Combine first 5 ingredients in a 9-inch square baking pan. Add milk, oil and vanilla, stir until smooth, Combine brown sugar and 1/4 cup cocoa and sprinkle over batter. Pour boiling water over batter (DO NOT STIR) Bake 350 degree oven for about 40 minutes. or cake springs back when touched in the center. Serve warm