Line a 9x9 inch baking dish with parchment paper or lightly grease it.

In a medium saucepan over low heat, melt the chocolate chips, stirring frequently.

Once the chocolate is fully melted, remove the pan from heat and stir in the canned frosting until fully combined.

Add the sweetened condensed milk and continue to stir until everything is well mixed.

Stir in the vanilla extract for added flavor.

If using, fold in the chopped nuts to the mixture.

Pour the fudge mixture into the prepared baking dish and spread it evenly.

Refrigerate the fudge for about 2 hours or until firm.