Caramel Popcorn
["1 c. margarine", "2 c. brown sugar", "1/2 c. corn syrup", "1 tsp. salt", "1/2 tsp. baking soda", "1 tsp. vanilla", "6 qt. popped corn"]
["Melt margarine; stir in brown sugar, corn syrup and salt. Bring to a boil, stirring constantly.", "Boil without stirring 5 minutes.", "Remove from heat; stir in soda and vanilla.", "Gradually pour over popcorn, mixing well.", "Turn into 2 large shallow baking or broiler pans.", "Bake at 250\u00b0 for 1 hour, stirring every 15 minutes.", "Remove from oven and cool.", "Break apart and store in tightly covered container."]
["margarine", "brown sugar", "corn syrup", "salt", "baking soda", "vanilla", "corn"]