14ozcan sweetened condensed milkNOT Evaporated Milk & see note
Line an 8 by 8 inch pan with aluminum foil.
Combine all the ingredients together in a medium saucepan over low heat, stirring consistently until the mixture is smooth.
Pour the chocolate mixture into the pan. Refrigerate for four hours, cut and store in an airtight container for up to two weeks.
Make sure not to add too much Nutella, it should be just 1/2 cup.
Do not scrape the can of Sweetened Condensed Milk, doing this adds just slightly too much liquid and makes it harder for the fudge to set.