Never Fail Chocolate Frosting
["1 c. sugar", "1 egg", "2/3 stick butter", "2 Tbsp. cocoa", "3 Tbsp. milk", "dash of salt", "1 tsp. vanilla"]
["Cook everything together except vanilla, stirring constantly. Boil 2 to 3 minutes.", "Add vanilla."]
["sugar", "egg", "butter", "cocoa", "milk", "salt", "vanilla"]