In a bowl break eggs, add sugar and blend it with a hand blender till the time its frothy.

Take another 'microwave safe' bowl, put chocolates and butter in it for melting it, microwave it for one minute

Add the melted chocolate and butter to the eggs and blend well. Sieve cocoa powder, baking powder, essence and flour.
And blend for a minute.

Preheat oven at 180° C.

Grease the muffin moulds with butter and sprinkle flour on it

Pour the batter into the moulds and bake for 2-3 minutes.

Melted chocolate muffins are ready to be served hot!