Bilahi Masor Tenga ( Fish in Tomato gravy- An authentic Assamese Tangy fish curry)

Ingredients:

•  4-5 Tomatoes ( Cut into medium pieces)
•  1 medium Potato- Boiled and mashed
•  4-5 pieces of fresh medium sized fish pieces ( Here i have used Rohu fish. You can use any types of River fish) 
•  2 pinches of turmeric powder
•  salt to taste
•  2 tsp Mustard Oil
•  a pinch of sugar
•  1 medium Onion chopped
•  1 whole chilly
•  Ginger Garlic Paste 1 tsp
•  Lemon juice 2tsp
•  Cumin Powder 1 tsp
• Coriander leaves for garnishing

Method:

• At first rub the fish pieces with the 1/2 tsp of turmeric powder and 1/2 tsp salt. Heat the oil in a pan and fry them.
•  In an another pan, heat the mustard oil and add onions, ginger garlic paste, turmeric powder,cumin powder, chilly and  salt .
•  add the tomato pieces and   fry  for a minute.
•  Now add mashed potato, mix well and fry them for about 5-7 minutes
•  Now add 2-3 cups of hot water. And after a while add the fried pieces of fish and lemon juice to the pan  and cook for 10-15 minutes .
•  Garnish with fresh coriander leaves 
•  Finally, it is ready to serve with rice.