Kaipakka / Pavakka / bitter gourd curry

INGREDIENTS
Bittergourd(Pavakka) - 2 medium sized ones
Tamarind(Puli) - A lemon sized ball
Onion - 1 no
Small onions(Kunjulli) - A handful
Tomato(big) - 1 no
Green chillies - 2 nos
Curry leaves - A few
Coconut oil - 1 tbsp
Mustard seeds - 1 tsp
Turmeric powder - 1/2 tsp
Chilly powder - 1 tsp or as reqd

METHOD
1)Cut bitter gourd into thin square pieces.
2)Cook with salt, turmeric powder, chilly powder, green chilly, chopped onion and tomato in tamarind juice.
3)Cook till done.
4)Reduce water and bring to a thick consistency.
5)Heat oil in a pan.
6)Splutter mustard seeds.
7)Add curry leaves and pour this into the curry.:- If you need this curry to make ozhichukoottan type, don`t reduce water.