Step 1

Put the chocolate and condensed milk into a large bowl.

Step 2

Microwave for 30 seconds, beat well. Repeat once or twice until very thick and smooth.

Step 3

Pour into a small baking dish lined with baking paper. Smooth out and add sprinkles if using.

Step 4

Refrigerate overnight.

Step 5

Cut into small cubes and store in the fridge until needed.