Biitter guord curry from a frnd - Veenu

Boil bittergourd in salted water till tender. Prepare masala -> paste of garlic-ginger + onion paste + Tomato puree .
Heat mustard oil in a pan. Fry ginger+garlic paste, onion paste till light brown. Add salt, turmeric powder, red chilli powder, coriander powder, mustard seeds powder. After 5 mts. add tomato puree . Fry till oil separates in the pan. Slice the boiled bittergourd and take out the bittergourd seeds ( u can add these seeds to the pan ).
Fill bittergourd with this cooked masala and bake the same on a tawa adding little mustard oil