Heat oil in a frying. Add mustard seeds. When they pop add curry leaves. Saute for 2- 3 minutes.
Wash and clean fish pieces. Marinate fish pieces with 1 teaspoon salt and 1 teaspoon turmeric powder. Keep aside for 15 minutes. Soak kudampuli in 1/4 cup water with 1/2 teaspoon salt for 30 minutes.
Dilute red chilli powder, coriander powder and turmeric powder in 1/4 cup water. Mix well and keep aside.
Heat oil in an earthen pot. Add sliced onions, ginger, garlic and green chillies. Fry for 8 -10 minutes or till fragrant.
Add diluted red chilli powder, coriander powder and turmeric powder. Saute on a low heat till the raw smell goes. Add kudampili and arrange fish pieces carefully. Add water and salt to taste.
Cover with a lid and cook on a low heat for 12 - 15 minutes or till done and gravy slightly thickens.
Garnish with seasoning. Serve with Tapioca / Kappa Vevichathu. Other accompaniments - Rice / Paalappam / Kerala Toddy....
