Sour Cream Fudge
["6 3/4 c. sugar", "16 oz. sour cream", "3/4 c. milk", "6 Tbsp. butter", "3 Tbsp. clear Karo", "3/4 tsp. salt"]
["Boil until 238\u00b0 on candy thermometer.", "Add 6 teaspoons vanilla. Use mixer to beat.", "Pour in buttered pan."]
["sugar", "sour cream", "milk", "butter", "clear", "salt"]