Step 1- Grease a pan with butter and line it with parchment paper and set it aside.
Step 2-Set a double boiler and melt your chocolate . Once all chunks are melted, take it off the heat.
Step 3-In the same bowl add in condensed milk and melted butter. Combine everything really well making a thick mixture.
Step 4- Add in walnuts or any nuts of your choice for some crunch.
Step 5- Pour in all the fudge mixture into your prepared pan and Refrigerate this for 3-4 hours.Cut into squares and dust some cocoa powder on top. Enjoy!