Sweet potato kurma..

Sweet potato 1,skinned,cubed,cooked and mashed,keep aside.
Onion small 1,garlic cloves 3,ginger 1"piece,all three chopped,
Tomato small 1,chopped,cilantro chopped 1/4cup,salt to taste,
turmeric powder a pinch,black pepper powder 1/2tspn,garam masala
1/4tspn,coriander powder 1/2tspn,vegetable oil 1tblspn,coconut milk 1/2cup.
Heat oil in a wok,drop in onion,garlic and ginger,saute till light brown,
add tomato,saute till cooked,add curry powders,salt,mix well,add
sweet potato puree,combine,simmer flame,add coconut milk,allow to bubble.
Garnish with cilantro ,serve with chapatti.