Glossy Chocolate Frosting - cooking recipe

Ingredients

1/2 c. sugar
2 Tbsp. cornstarch
1 (1 oz.) sq. unsweetened chocolate, grated
1/2 c. boiling water
1 1/2 Tbsp. margarine
1/2 tsp. vanilla

Preparation

Mix sugar and cornstarch; add chocolate.
Add water.
Cook until mixture thickens.
Remove from heat and add margarine and vanilla.
Spread on cake while frosting is hot for a glossy frosting which remains soft and smooth.
Frosts one 9 x 9-inch square cake.