4 qts. popcorn
1 1/2 c. sugar
1 1/2 c. light corn syrup
1 1/2 c. peanut butter
1 1/2 tsp. vanilla

Mix sugar and corn syrup in a saucepan. Bring to full boil. Boil 30 seconds, stirring constantly. Remove from heat and beat in peanut butter. Add vanilla. Pour syrup over popped corn and stir to mix well. Shape into balls.