Mama'S Caramel Icing - cooking recipe

Ingredients

2 1/2 c. sugar
8 Tbsp. butter
1 tsp. vanilla
1 egg, well beaten
3/4 c. milk

Preparation

Cook 1/2 cup sugar in black skillet until melted and golden. Mix egg, butter and remainder of sugar with milk in a heavy boiler and cook over medium heat until butter melts.
Add caramelized sugar.
Cook until soft ball can be formed in cold water.
I use a candy thermometer and cook it to 232\u00b0.
Add vanilla; beat.