Buttermilk Icing

Ingredients:
- 2 c. sugar
- 1/2 c. butter
- 1 tsp. vanilla
- 1 c. buttermilk
- 1 tsp. soda

Directions:
- Mix all ingredients in a large saucepan, except vanilla. Bring to a boil and cook until forms a soft ball, 238° on candy thermometer.
- Remove from heat; add vanilla and beat until thick. Spread on warm cake.