Begin by lining an 8x8 inch baking dish with parchment paper and set it aside.

In a large saucepan, combine sugar, evaporated milk and margarine. Bring to a boil and stir constantly for 5 minutes and until sugar is melted.

Remove from heat. Stir in chocolate chips, marshmallow fluff, vanilla and chopped nuts.

Stir until it is completely combined and melted.

Pour the mixture into the prepared pan and spread it into an even layer.

Allow the fudge to cool completely before cutting it into squares. Enjoy!