1. Hard-boil Duck egg and remove the skin once the eggs are done.
2. Soak mustard seed in lukewarm water along with 1/2 tsp. salt for 15 minutes.
3. Soak Poppyseed aka Posto as well in lukewarm water separately.

To make Dim Bhapa over gas-stove:

1. Take a deep bottom pan and boil 3 cups of water.
2. Now make a paste of the mustard along with 2 green chilies.
3. After that strain the mixture and discard the husk.
4. In addition, make a paste of Poppyseed.
5. In a container take the mustard paste along with, Posto bata aka Poppy seed paste, Coconut Paste, Plain Yogurt, Turmeric Powder, Red Chilli Powder, and also salt.
6. Add 2 Tbsp. Mustard oil and mix to make a smooth paste.
7. Add green chili slits and also 1 cup of water to make the mixture runny.
8. Now add boiled eggs so that the eggs are covered with gravy.
9. I prefer to use half of the egg whole and I cut the rest of the eggs in half and then use those.
10. Place the lid to seal the container.
11. Place a stand inside the deep-bottom pan which is having boiling water.
12. Now place the container with the egg over the stand.
13. There should be 1/3 of water inside the pan which must cover halfway through the container.
14. Cover the pan with a lid and cook over a slow flame for 20 minutes.
15. Switch the flame off and wait till you can handle the container with your hands.
16. It is better to open the container for at least after 20-30 minutes.
17. Top the bhapa with 1 Tbsp. Mustard oil and give a thorough mix.

To make Bhapa Dim in Microwave:

1. Take the mixture in a microwave oven-safe container with a lid.
2. Take a bigger bowl and pour 2 cups of water.
3. Place the container.
4. Microwave the bhapa for 20 minutes on 60% heat.

To serve!

1. Serve it hot with steamed rice.