Sweet Potato Sambar

Ingredients

Toor dal      - 1 cup
Tamarind   - lemon size
Sweet potato  - 3
Sambar powder   - 3 tbsp
Salt
Asafotida
Mustard
Oil
Curry leaves

Method
Wash and cook toor dal in a pressure cooker.
Cut the sweet potatoes and let it boil in tamarind water along with sambar powder and salt.
Add cooked toor dal .
Heat oil, season with mustard, asafotida and curry leaves and add to the sambar.
Garnish with coriander leaves.
Serve with rice.