Never-Fail Fudge
["1 lb. powdered sugar", "1/2 c. cocoa", "1/4 tsp. salt", "2/3 stick margarine", "1/4 c. milk", "1 tsp. vanilla", "1 c. chopped nuts"]
["Combine all ingredients except nuts in saucepan.", "Stir over low heat until smooth. Remove from heat.", "Add nuts.", "Drop onto waxed paper."]
["powdered sugar", "cocoa", "salt", "margarine", "milk", "vanilla", "nuts"]