1 cup sugar
1/4 cup cocoa
1/4 cup butter
1/2 cup milk
2 Tbsp. light corn syrup (optional)
dash salt
1 1/2 cups icing sugar
1 tsp vanilla

In medium saucepan, stir together sugar and cocoa. Add butter, milk, salt, and optional corn syrup. Heat to a full boil over medium heat, stirring frequently. Boil vigorously for 3 minutes, continuing to stir occasionally. Remove from heat and cool. When cool, beat in icing sugar and vanilla. Fills and frosts an 8″ or 9″ two-layer cake.