Candied Sweet Potatoes
["6 medium sweet potatoes", "1 c. sugar", "1 bottle white Karo", "1 stick butter", "2 Tbsp. vanilla"]
["Boil sweet potatoes until done.", "Peel and cool.", "Cut lengthwise.", "Put in 9 x 12-inch baking dish.", "Mix all other ingredients until melted.", "Pour over potatoes.", "Cook at 375\u00b0 for 40 minutes."]
["sweet potatoes", "sugar", "butter", "vanilla"]