Line a loaf pan with aluminum foil.
Break the chocolate into chunks and place in a microwave-safe bowl.
Microwave on high for 1-2 minutes (stirring every 30 seconds). Microwave until almost melted.
Add in condensed milk and stir until mixture is smooth.
Add remaining ingredients and stir to combine.
Press mixture into pan and smooth the top.
Chill until mixture is set - several hours.
Remove from the pan by lifting it out by the aluminum foil.
Place loaf on a cutting board and cut into 1/2 inch slices using a very sharp knife.
Cut each slice in half.