Chocolate Fudge Icing - cooking recipe

Ingredients

3 sq. chocolate
2 1/4 c. sugar
1/2 c. milk
3/4 stick margarine
1 1/2 Tbsp. corn syrup
pinch of salt
1 tsp. vanilla

Preparation

Cut chocolate in small pieces.
Place all ingredients except vanilla in a saucepan.
Bring slowly to a full, rolling boil, stirring constantly.
Boil briskly without stirring for 1 to 2 minutes.
Do not overboil.
Cool to lukewarm.
Beat, adding vanilla, until thick enough to spread.