Pressure cook mustard leaves for one whistle. Change water, and boil in an open container until cooked. Blend and set aside. Heat oil + ghee, add crushed garlic, red chilli powder, sour yoghurt or buttermilk, and add the mustard paste. Add salt and let it cook for a few minutes. Mix some corn meal or Jawar atta in water and add. Let it cook. Serve with bajra or Jawar dodo