Microwave Peanut Brittle

1 c. raw peanuts                          1 tsp. vanilla

1 c. white sugar                           1 Tbls. margarine

1/2 c. white corn syrup               1 tsp. soda

1/8 tsp salt

Put first 4 ingredients in a 1 and 1/2 qt. dish. Stir to mix. Cook in microwave on high for 5 minutes. Stir mixture and cook three more minutes. Add margarine and vanilla; cook for an additional 1 to 2 minutes. Add soda and stir until light and fluffy. Pour onto a buttered cookie sheet. Cool. Break into serving pieces