Sweet Potato masala

Ingredients

50 gram Sweet Potato , boil with 3 whistles in the cooker and cut it into cubes
1 Onion, medium size
2 tomato, medium size 
2 dry chilies
1/4 tsp - turmeric powder
1/2 tsp - coriander powder
1/2 tsp - chili powder
1/2 tsp - garam masala
1/2 tsp Coriander leaves
1/2 cup water 

2 tsp Oil
1/2 tsp Cumin
pinch asafoetida
1 spring curry leaves
1/2 tsp - Salt

Preparation

Take pan, add oil + cumin+ curry leaves,  then add onion (fry it until roasted) +  tomato  (fry it until raw smells goes away)+ turmeric + chili powder + coriander powder  and mix them well. Add water and wait till it gets boiled and add sweet potato and mix it well  and then close the lid and wait for 3 mins.  Finally add  garam masla and coriander leaves and mix them well.