- Put the mushrooms in a vessel containing water and 1/2 tsp turmeric powder for about 10 minutes. Wash the mushroom well in 2-3 rounds of water. Chop them to small pieces. Heat oil in a pan at medium heat. Splutter mustards and fry dry red chilies. Now add the coconut tidbits. Fry them until they turn light brown and then add the sliced pearl onions. Stir fry until they are lightly browned. Bring down the heat and add the chopped mushroom pieces, ginger, garlic, spice powders, grated coconut, salt and curry leaves. Do not add water as water will ooze out from the mushrooms. Stir fry at medium heat until mushroom is done and water is completely evaporated. Mushroom will get cooked fast. Switch off. Serve hot with rice.