1 c. sugar
1/2 c. corn syrup
1 c. peanuts
1 tsp. butter
1 tsp. vanilla
1 tsp. baking soda

Microwave sugar and corn syrup on High 4 minutes. Mix in peanuts; microwave 3 to 4 minutes until light brown. Mix in butter and vanilla well. Microwave 2 minutes. Add baking soda. Gently stir until light and foamy. Pour mixture onto greased pan. Let cool 1/2 to 1 hour. Break into pieces.