Popcorn Balls

Directions

1. 1
   Combine sugar, hot water, corn syrup and vinegar in 3-quart casserole.
2. 2
   Microwave at High 35 to 40 minutes, or until hard crack stage (300° to 310°), when syrup separates into hard, brittle threads when small amount is dropped into cold water, stirring 3 or 4 times.
3. 3
   Stir in vanilla.
4. 4
   Pour syrup over popcorn, stirring to coat.
5. 5
   Quickly shape into balls, using buttered hands. Place on wax paper; cool completely.
6. 6
   Wrap each in plastic wrap.