Aunt Grace'S Chocolate Icing - cooking recipe

Ingredients

2 1/4 c. sugar
4 heaping Tbsp. cocoa
1 small can evaporated milk
pinch of soda
1 Tbsp. flour
1/2 stick margarine
1 tsp. vanilla

Preparation

Mix all ingredients, except soda and vanilla.
Cook on low heat until mixture forms a soft ball in cold water.
Add soda and vanilla and stir.
Be careful not to let mixture boil over when soda is added.
Remove from stove and cool slightly.
Spread on warm cake layers.