Flawless Peanut Brittle

Directions

1. 1
   Combine brown sugar, corn syrup and vinegar and butter in a saucepan over medium heat, and bring to a boil.
2. 2
   Boil to hard crack stage, or about 310F.
3. 3
   Take off heat, stir in peanuts, then stir in baking soda.
4. 4
   Spread on greased baking sheet.
5. 5
   When cool, break into pieces.