Creamy Potato Fudge
["3 oz. unsweetened chocolate", "1/2 c. chopped nuts", "1 lb. sifted powdered sugar", "1/3 c. mashed potatoes", "3 Tbsp. butter", "1/2 tsp. salt", "1 tsp. vanilla"]
["Melt chocolate and butter in top of double boiler.", "Add potatoes, salt and vanilla.", "Mix well.", "Blend in sugar and mix thoroughly.", "Add nuts and knead until smooth.", "Press into buttered 8-inch square pan.", "Cool and cut.", "Makes 1 1/4 pounds."]
["unsweetened chocolate", "nuts", "powdered sugar", "potatoes", "butter", "salt", "vanilla"]