Method 
      Slice the potatoes in to 1/2 length size. Clean the small onions   and cut it into lengthy pieces. Fry the grated coconut, coriander powder and   chilli powder without using oil. Saute it well till the mixture gets coffee   brown colour. Finely grind the mixture without using water and set aside.  
      Put potatoes and small onions in a vessel and allow it to get   half boiled. Then add the finely ground coconut mixture and keep it in medium   flame for 6-7 minutes and set aside. Add tamarind pulp and salt and keep   stirring.  
      Take a pan and season with mustard seeds, red and green chilies   and curry leaves. Pour  it in on top of  the prepared Theeyal.        |