Peanut Brittle
["1 pt. Karo (blue label)", "1 c. sugar", "2 c. roasted peanuts", "1/4 tsp. vanilla", "1/3 tsp. baking soda"]
["Combine the Karo and sugar; boil to 300\u00b0 or until brittle when a little is dropped in cold water.", "Add the soda and vanilla to the candy and spread thickly on oiled pans, containing a layer of roasted peanuts."]
["sugar", "peanuts", "vanilla", "baking soda"]