Remove from the hot water and let the eggs cool down a bit. Then remove the shell.
With a fork, crush them coarsely.
Chop onion very finely and cut the chilli into very small pieces. Chop the green coriander leaves as well.
Collect the eggs, onions, tomatoes, green chilli, green coriander leaves on a plate.
Using a fork, whisk gently so that it all comes together.
Now, take the bread slices and apply a thin layer of mayonnaise on all 4 slices.
Divide the ready stuffing into two parts.
Cover them with the remaining two slices.
Apply little butter while toasting. Serve hot.