Microwave Fudge
["1 (1 lb.) box powdered sugar", "1/2 c. cocoa", "1/4 tsp. salt", "1/4 c. milk", "1 Tbsp. vanilla", "1/4 lb. margarine", "1/2 c. nuts (optional)"]
["Combine all ingredients in mixing bowl.", "Microwave on High for 2 minutes. Beat with mixer until smooth. Add nuts, if desired. Pour onto buttered plate or waxed paper.", "Refrigerate to set."]
["powdered sugar", "cocoa", "salt", "milk", "vanilla", "margarine", "nuts"]