Popcorn Peanut Brittle
["2 qt. (8 c.) popped corn", "1 c. salted peanuts", "2 c. sugar", "1 Tbsp. margarine", "2 tsp. vanilla", "1/2 tsp. baking soda"]
["Spread popped corn on large (at least 17 x 12 x 2-inch) buttered pan.", "Sprinkle peanuts over top.", "Slowly melt sugar in heavy frying pan, stirring constantly.", "When sugar is golden brown, stir in margarine, vanilla and soda.", "Pour in a fine stream over popcorn and peanuts.", "Cool; break into bite size pieces."]
["corn", "peanuts", "sugar", "margarine", "vanilla", "baking soda"]