Cracker Jacks
["6 qt. hot air-popped popcorn", "2 c. brown sugar", "2 sticks butter", "1/2 c. white Karo syrup", "1/2 tsp. baking soda", "1 tsp. vanilla", "1 to 2 c. raw peanuts (optional)"]
["Cook sugar, butter and syrup in saucepan for 5 minutes, stirring constantly.", "Remove from heat and add vanilla and soda. Whip until foamy.", "Mix well with popcorn.", "Bake at 250\u00b0 for 1 hour, stirring every 20 minutes.", "Add peanuts, if desired."]
["popcorn", "brown sugar", "butter", "white Karo syrup", "baking soda", "vanilla", "peanuts"]