Peanut Popcorn Balls
["1 c. sugar", "1 c. light corn syrup", "1 Tbsp. vinegar", "1/4 c. creamy peanut butter", "1 tsp. vanilla", "2 qt. popped popcorn", "1 c. peanuts"]
["In a 3-quart saucepan, add sugar, corn syrup, vinegar and peanut butter.", "Cook until mixture reaches 260\u00b0 on candy thermometer. Add vanilla."]
["sugar", "light corn syrup", "vinegar", "peanut butter", "vanilla", "popcorn", "peanuts"]