Combine sugar and syrup in a quart microwave container and microwave on high for five minutes. Remove from microwave and stir in peanuts. Microwave on high for two minutes; stir and microwave for two minutes; stir and microwave for one minute. Remove from microwave. Stir in margarine, vanilla, salt and soda. Pour onto a buttered cookie sheet and let cool. When hardened, break into pieces. Recipe from my father, Sam Criswell, who formatted this for Meal-Master. Joyce Burton, Prodigy Food & Wine Board