Caramel Popcorn
["4-qt. popped popcorn", "1 c. brown sugar", "1/2 c. margarine", "1/2 c. dark corn syrup", "1/2 tsp. vanilla", "1/2 tsp. baking soda"]
["Place popcorn in large shallow roasting pan.", "In heavy 1 1/2-quart saucepan, stir sugar, margarine and corn syrup.", "Stir constantly while bringing to a boil, without stirring, boil 5 minutes.", "Remove from heat.", "Stir in vanilla and baking soda. Pour over popcorn.", "Stir to coat well.", "Bake in 250\u00b0 oven, stirring every 15 minutes for 1 hour.", "Remove from oven, spread onto foil.", "Break apart as popcorn cools."]
["popcorn", "brown sugar", "margarine", "corn syrup", "vanilla", "baking soda"]