Old Time Popcorn Balls
["2 c. sugar", "1/2 tsp. salt", "1 tsp. vinegar", "5 qt. popcorn", "1 1/2 c. water", "1/2 c. light corn syrup", "1 tsp. vanilla"]
["Butter sides of pan.", "Combine sugar, water, salt, syrup and vinegar.", "Cook to hard ball stage.", "Stir in vanilla slowly; pour over popped corn and mix well.", "Butter hands; shape into balls. Makes 20 balls."]
["sugar", "salt", "vinegar", "popcorn", "water", "light corn syrup", "vanilla"]