Devil's Food Float

Stir together in an 8x8x2 pan:
1 cup flour
3/4 cup sugar
2 tablespoons cocoa
1/4 teaspoon salt
2 teaspoons baking powder:
3/4 cup chopped walnuts (optional)

Make a well in the center and pour in:
1/2 cup milk
2 tablespoons melted butter
1 teaspoon vanilla
Stir until moist, spread evenly.

Stir together:
1/2 cup granulated sugar
1/2 cup brown sugar
5 tablespoons cocoa
1 cup boiling water

Pour over batter. Bake 350 degrees for 35 minutes.