Fantasy Fudge

4 c. sugar
2 sticks (1/2 lb) butter
1 1/3 c. cream
12 oz. Belgian bittersweet chocolate.
1 jar marshmallow creme or 7 oz. marshmallows
1 c. chopped pecans (optional)
1 tsp. vanilla

Combine sugar, butter and cream. Bring to a boil, stir 5 minutes over medium heat to form a soft ball stage; then go just a noodge longer so it will be a little firmer. Remove from heat, stir in chocolate chips, add marshmallows or marshmallow creme, nuts and vanilla. Beat until well blended.