No Cook Chocolate Fudge
["1 lb. box powdered sugar", "1/2 c. cocoa", "1/2 c. melted butter", "1 egg", "1 tsp. vanilla", "1/2 c. walnuts"]
["Combine all ingredients; mix well.", "Pour into well buttered 8 x 8-inch pan.", "Chill until firm."]
["powdered sugar", "cocoa", "butter", "egg", "vanilla", "walnuts"]