It is a pure vegetarian dish and almost a vegan one but for the butter in it. You can also make this dish gluten free, if you avoid the hing. Hing in its pure form is gluten free, but many vendors add wheat flour to reduce the intensity of its flavor.
Pour the contents (except the curry leaves) of the dry spices into the Instant Pot Inner Pot (put the spices in one small area of the pan).
Pour the vegetable oil over the spices (just enough to soak the spices plus a little more).
Plug in the Instant Pot, press ‘sauté’ and ‘adjust’ to ensure the digital display is on ‘more.’ This is the high setting for sauté.
When you first hear the sound of the mustard seed “popping,” pour the diced green chilies, butter, and ginger/garlic paste into the pan. Add the curry leaves. Stir until the butter melts and chilies and garlic/ginger paste mixes well together.
Adjust the ‘sauté’ temperature down if needed. Sauté for another 1 min.
Add onions to pan. Stir occasionally until the onions are soft, just until they are translucent.
Add salt, sambar powder, and tomatoes. Add 1 cup of water to the pan, mix them well and let them cook together. Ensure you stir periodically for uniform cooking and mixing of spices (just fold it over using a spatula). Bring it to a boil. Adjust the sauté temperature as needed.
Turn off the Instant Pot
Add (1 cup) Dhal to the Inner Pot, add (6 cups of) water
On manual, under high pressure, with vent sealed, cook for 20 min. Let it cool down naturally.
In a bowl, add the tamarind, and add a cup of water and microwave for 2 minutes. Once cool, make a puree by squeezing. Remove all pulp. Dilute the tamarind, if needed, for the right consistency and keep 1 cup of tamarind juice aside.
Add all the ingredients (except the coconut) for the paste to a small frying pan and add 2 tsp of oil. Fry them on medium heat until the lentils become slightly brown.
Grind the fried spices into a fine paste using a grinder and by adding enough water to achieve a paste consistency.
Open the grinder, add the coconut and grind them together for a few seconds. Set aside the paste.
In a small frying pan, add a bit of oil, some salt and gently sauté the cut vegetable until it is about half cooked. Add a small amount of water if necessary.
Add the tamarind juice, and the ground paste to the pan and cook them all together until they come to a boil. Turn off the stove after it has reached a boil.
Once the IP has cooled down, make sure there is no pressure in the cooker and that the (pressure) pin is down. Open the Cooker lid — be careful, as the dhal will be extremely hot.
Add the cooked ingredients to the inner pot. Add water, if needed, for consistency. Set the IP for ‘slow cook’ high for 30 minutes. Close the lid, with the vent open.
Once done, taste and add salt if necessary. Add Jaggery (optional), if preferred.
Add in fresh cilantro for garnish. Serve hot over rice.