Caramel Corn
["7 qt. popped corn", "2 sticks margarine", "2 c. brown sugar", "1/2 c. white Karo syrup", "1/2 tsp. salt", "1 tsp. soda", "1 tsp. vanilla"]
["Put popped corn in large buttered roaster.", "Boil margarine, sugar and syrup for 5 minutes, stirring constantly.", "Remove from heat and add soda, salt and vanilla.", "It will foam.", "Pour over corn.", "Bake at 250\u00b0 for 1 hour, stirring it every 15 minutes."]
["corn", "margarine", "brown sugar", "white Karo syrup", "salt", "soda", "vanilla"]