MISC Microwave Peanut Brittle 1 c sugar 1/2 c white corn syrup 1 c raw peanuts 1/8 tsp salt 1 tsp butter 1 tsp vanilla 1 tsp baking soda In a 1 1/2 quart casserole, stir together the sugar, syrup, raw peanuts, and salt. mixing well. Microwave on high 6 to 9 minutes until light brown. Add butter and vanilla and stir well. Microwave on high 1 - 2 minutes more. Peanuts will be light brown and syrup will be very hot. Add baking soda and gently stir until light and foamy. Pour into a buttered cookie sheet. Let cool 1 hour. Break into small pieces.