Prep: 5 minutes Microwave: 11 minutes
MICROWAVE sugar and corn syrup in large microwavable bowl on
HIGH 5 minutes, stirring after 3 minutes. Stir in peanuts. Microwave an additional 3 to 5 minutes or until golden brown.
ADD butter and vanilla; stir until butter is completely melted. Microwave 1 minute. Stir in baking soda. (Mixture will foam.)
SPREAD mixture on baking sheet. Cool completely. Break into pieces.