Ingredients:

Ulli(shallots)                       : 10 nos
Thick curd                           : 1/4 cup
Mustard seeds                     : 1/2 tsp
Red chillies                         : 2 split into 2
Curry leaves                    
Salt to taste
Oil                                       : 1tbsp

For grinding:

Grated coconut                   : 1/2 cup
Green chillies                     : 2 nos
Mustard seeds                    : 1/4 tsp


Method:

Crush 1/4 tsp of mustard seeds and keep aside.  Grind coconut and  green chillies to a smooth paste, add crushed mustard seeds to this.
Cut shallots into thin slices.  Heat oil in a kadai add mustard seeds, when it splutters add red chillies, curry leaves and sliced shallots. Add salt to this and saute it till the onion becomes translucent. Now add the ground coconut mixture and curd (whisk it lightly) to this. Remove from fire before boiling. Garnish with curry leaves and serve it with rice!