See'S Fudge
["1/4 lb. butter or margarine", "1 (8 oz.) pkg. Baker's semi-sweet chocolate", "1 lb. powdered sugar", "1 tsp. vanilla", "2 eggs", "1/2 c. nuts, chopped", "1 c. marshmallow, cut up"]
["In double boiler melt butter and chocolate.", "Stir to blend. Blend in powdered sugar, vanilla and eggs; stir until well blended.", "If desired stir in nuts and/or marshmallows.", "Pour into 8 inch square pan.", "Cut into squares when set."]
["butter", "chocolate", "powdered sugar", "vanilla", "eggs", "nuts", "marshmallow"]