Chop a couple of green chillies, fresh ginger and a onion.
Wash and clean 3 tomatoes.
Dice the tomatoes into cubes.
Thaw a bowl of diced yams.
Heat a tsp of oil and add in a tsp of mustard seeds and a little urad dhal.
Mix in the chopped fresh ginger, green chillies and onions
Add the diced tomatoes. Cover and let cook for 7-8 mins stirring frequently.
Once the tomatoes are cooked, add the cooked toor dhal.
Add a tbsp of sambhar powder.
Mix it all in.
Add the thawed yams and 1 tsp of salt. Cover lid and cook for abt 10 mins until the yams are cooked well.
Yam (Suran) sambhar is ready.