Crazy Corn
["6 to 8 qt. popped popcorn", "2 sticks margarine", "2 c. packed light brown sugar", "1/2 c. light Karo syrup", "1 tsp. salt", "2 tsp. baking soda", "1 tsp. vanilla"]
["Mix margarine, syrup, sugar and salt in large saucepan over low heat until melted.", "Bring to boil.", "Boil 5 minutes, stirring constantly.", "Add vanilla and soda; mix well and pour mixture over popcorn.", "Bake at 250\u00b0 for 3/4 to 1 hour, stirring every fifteen minutes."]
["popcorn", "margarine", "brown sugar", "light Karo syrup", "salt", "baking soda", "vanilla"]