Peanut Butter Fudge
["4 c. powdered sugar, must sift", "6 Tbsp. butter or margarine", "1 Tbsp. vanilla", "1/2 tsp. salt", "28 oz. jar peanut butter and 1/4 c. peanut butter", "2 Tbsp. milk (regular not canned)"]
["Put all ingredients in double boiler and mix together until smooth.", "Start with 3 1/2 cups powdered sugar until you see how thick the mixture is.", "It should be thick like cookie dough batter. If it needs to be thicker, add more powdered sugar, a little at a time.", "Do not use more than the original 4 cups of powdered sugar!"]
["powdered sugar", "butter", "vanilla", "salt", "peanut butter", "milk"]