Peanut Brittle
["1 c. raw or unsalted dry roasted peanuts*", "1 c. sugar", "1/2 c. white corn syrup", "1/8 tsp. salt", "1 tsp. baking soda", "1 tsp. vanilla", "1 tsp. margarine"]
["In 1 1/2-quart casserole, stir together the first 4 ingredients.", "Microwave for 4 minutes on High.", "Stir well.", "(*If using dry roasted peanuts wait until now to add them.)", "Microwave 4 more minutes on High.", "Add margarine and vanilla.", "Cook 1 minute more on High.", "Add baking soda, quickly stir until light and foamy. Immediately pour onto lightly buttered baking sheet.", "Spread thin. When cool, break into pieces."]
["peanuts", "sugar", "white corn syrup", "salt", "baking soda", "vanilla", "margarine"]