Popcorn Balls
["3 c. sugar", "1 c. vinegar", "1/2 c. water", "1 Tbsp. butter", "8 or 10 qt. popcorn", "peanuts or black walnuts (optional)"]
["Combine sugar, vinegar and water in heavy saucepan.", "Cook over heat to hard ball stage."]
["sugar", "vinegar", "water", "butter", "popcorn", "peanuts"]