Moist Chocolate Cake

1 cup all-purpose flour
1 cup granulated sugar
1 cup hot water
1/2 cup cocoa powder
1 teaspoon baking powder
1 teaspoon baking soda
1 egg
1/4 cup butter or margarine, melted
Confectioners' sugar

In a mixing bowl, combine the first 6 ingredients. Add egg and butter; mix well. Pour into a greased 8-inch square baking pan. Bake at 350 degrees F for 30 to 35 minutes or until cake tests done. Cool. Dust with confectioners' sugar.

Yields 9 servings.