Oven Caramel Popcorn
["1 1/2 qt. (7 1/2 c.) popped corn", "1/2 c. brown sugar, well packed", "1/4 c. margarine (1/2 stick)", "2 Tbsp. light corn syrup", "1/4 tsp. salt", "1/4 tsp. baking soda"]
["Heat oven to 200\u00b0.", "Use 2 ungreased baking pans (9 x 13-inch). Heat sugar, margarine, syrup and salt, stirring occasionally until bubbly around edges.", "Continue cooking over medium heat for 5 minutes.", "Remove from heat; stir in baking soda until foamy. Pour on popped corn.", "Stir to coat well.", "Put half in each pan. Bake 1 hour, stirring every 15 minutes."]
["corn", "brown sugar", "margarine", "light corn syrup", "salt", "baking soda"]