Break the chocolate into pieces for easy melting.
Place the chocolate and condensed milk in a large microwave-safe bowl.
Microwave for 30 seconds, remove and beat well. Repeat until mixture is thick and smooth.
Pour the mixture into a small baking dish lined with grease-proof paper. Add desired toppings.
Chill the fudge in the fridge overnight to set.
Cut the set fudge into small cubes and enjoy.
