Fudge Frosting
["2 c. sugar", "3/4 c. light cream", "2 sq. chocolate (unsweetened)", "2 Tbsp. light corn syrup", "1/8 tsp. salt", "2 Tbsp. butter", "1 tsp. vanilla"]
["In heavy saucepan, combine sugar, cream, chocolate, corn syrup and salt.", "Heat slowly, stirring until dissolved.", "Cook to soft ball stage (234\u00b0).", "Do not stir while cooking.", "Remove from heat; add butter.", "Cool to lukewarm by setting in a pan of cold water. Add vanilla; beat until frosting begins to thicken and loses its gloss.", "If necessary, thin with a few drops of cream.", "Spread on yellow cake layers."]
["sugar", "light cream", "chocolate", "light corn syrup", "salt", "butter", "vanilla"]