1 pound confectionery powder sugar
1/3 cup plus 2 Tablespoons dry cocoa
1 1/2 sticks solid Blue Bonnet Margarine (allow to soften at room temperature)
3/4  teaspoon clear Wilton Vanilla
3/4  teaspoon clear Happy Home Vanilla
3/4  teaspoons clear McCormick Vanilla

Beat soften margarine and vanilla. Stir in dry cocoa and powder sugar. Beat on high for several minutes. Scrap sides and bottom of the bowl often.  If icing is too thick, add a teaspoon of cool water at a time to obtain the consistency who prefer.  Beat until smooth.