I made Mor Kuzhambu using Lady's finger.
Ingredients:-
Buttermilk – 2 cups
Turmeric powder – ¼ teaspoon
Green chillies – 2
Lady's finger-6(cut into 2" pieces)
Jeera – ½ teaspoon
Tuvar dhal – 1 teaspoon
Raw Rice – ½ teaspoon
Coriander seeds – 1 teaspoon
Grated coconut – 2 tablespoon
Oil – 1 teaspoon
Mustard seeds – half teaspoon
Few curry leaves and one red chili
Method:-
Soak raw rice,tuvar dal and jeera in water for 15mins. Grind green chilies and grated coconut to a fine paste. Churn the buttermilk and the paste,turmeric powder and SALT. Cut the Lady's finger and fry it in a teaspoon of oil,fry until the vegetable changes color and add it to the kozhambu. Now bring it to boil and when it boils switch off the stove. Season it with mustard seeds,curry leaves and red chili.
Recipe source:-http://www.kamalascorner.com/2007/10/mor-kuzhambu.html