Fantasy Choco Fudge

3 c. sugar 3/4 c. margarine 2/3 c. evaporated milk 12 oz. semi-sweet chocolate chips 7 oz. marshmallow cream 1 c. chopped nuts 1 tsp. vanilla Combine sugar, milk and margarine in a heavy sauce pan and bring to a boil. Stir constantly. Continue to boil for 5 minutes over medium heat. Remove from heat and stir in chocolate chips. Add marshmallow cream and vanilla extract. Beat until well blended. Pour into a well buttered 9 x 13" pan. Cool at room temperature until firm. Cut into squares.