1 c. sugar
1 heaping tbsp. cocoa
1/3 c. milk
1/4 c. shortening
Pinch salt
3/4 tsp. vanilla

Combine all ingredients in medium saucepan. Stir until well blended under medium heat. Bring to a rolling boil. Boil for 1 minute, stirring constantly. Remove from heat. Add vanilla. When cool, beat until thickened. Frost cooled cake.