Popcorn Balls

Directions

1. 1
   In heavy 2-quart pan, stir together syrup, sugar, water, salt, butter and vinegar.
2. 2
   Stirring constantly, cook over medium heat until mixture boils.
3. 3
   Continue cooking, stirring occasionally, until temperature reaches 270° on candy thermometer.
4. 4
   Remove from heat; stir in vanilla.
5. 5
   Slowly pour over popcorn, stirring to coat well.
6. 6
   When just cool enough, but warm, shape into balls.
7. 7
   Keep in plastic wrap.