Prepare a small cookie /baking tray by lining it with a parchment/butter paper. Set aside.

Chop the walnuts into small pieces. Set aside.

Break the dark chocolate bar and white chocolate bar into pieces.

Place both the chocolates in separate bowls.

Place both the bowls in the microwave for 30 seconds.

Take them out and stir the chocolates in both the bowls. Please use separate spoon/fork for each chocolate bowl.

Place the bowls again in microwave for 15 seconds.

Take them out and stir well till the lumps of chocolate are dissolved into silk and smooth chocolate.

If there are still some undissolved pieces, then microwave further for 10 seconds and stir again.

Now pour the dark chocolate on the baking tray in a pattern desired. Make sure not to have a very thin layer.

Now pour the white chocolate over the dark chocolate in the desired pattern.

Take a fork or spoon and set the pattern. Keep the edges in control and do not spread out too much.

Sprinkle the chopped walnuts over it.

Set in refrigerator for 3 hrs.

Cut or break in pieces and eat.

Store any leftovers in the refrigerator in a closed container.