Instructions

1 Combine the flour, milk, sweetened condensed milk, vanilla, cocoa powder, cornstarch, baking soda and oil blending until smooth.

2 Microwave on high for 4 minutes, stir then microwave on high for another 4 minutes. Or cook over in the top half of a double boiler for 25 minutes or until thick. Spread on cake while hot. For piped borders, let frosting cool then pipe.