Wash, peel and chop the vegetables into small chunks. I have used here potatoes, capsicums and carrots. You can also add French beans, cauliflower and green peas to this list.
Heat a kadai with oil, when hot, splutter mustard seeds, cumin seeds, hing/asafoetida and curry leaves.
Add the chopped tomatoes to this along with turmeric powder and cook until tomatoes turn soft.
To this now add the chopped vegetables, sambar powder and salt. Add ⅓ cup of water to this mixed vegetables. Cover and cook for 10-12 minutes in a medium flame.
Half way through the cooking, open the cover, add grated coconut to this, continue covering and cooking for the rest of the specified time.
Once the said time is done, open the cover, check the doneness of the veggies. The potatoes must be fork tender. take it off the heat.
Serve this delicious mixed vegetable subzi with rice or roti. It can also be used as stuffing in roti rolls along with some green chutney or tomato sauce.