Oats Sambar Sadham/Oats cooked with veggies and dal

Tried making sambar sadham, but instead of rice I used rolled oats. It tasted great. If you are a fan of South Indian Sambar Sadham ,then this is a must try  healthy and delicious recipe. This is a Tamilnadu style sambar sadham, slightly different from Karnataka Bisi Bele Bath, if you want that recipe, click here.
Ingredients
Thoor dal/Thuvaram paruppu-1/4cup
Rolled oats-1cup
Your choice of veggies-1cup
Tamarind juice-1/4cup
Shallots/Sambar onion-8
Red chilly-1
Tomato-2
Mustard seeds-1/2teaspoon
Turmeric powder-1/4teaspoon
Few curry leaves
Gingelly oil-1tablespoon
Ghee-2teaspoons(optional)
Salt

To roast and grind
Oil-1teaspoon
Channa dal-11/2 teaspoon
Red chillies-3 (adjust to ur taste)
Coriander seeds-1 teaspoon
Cumin seeds-1 teaspoon
Grated coconut-2tablespoons
Hing/Asafoetida-1/4teaspoon

Method
Pressure cook 1/4cup of dal with a pinch of turmeric and few drops of oil.
Cube the veggies. [I have used a carrot, few beans, frozen green peas, frozen jackfruit seeds, and yellow squash]
Add the veggies with the cooked dal, add the tamarind juice, enough salt and the rolled oats.
Add about 2 cups of water, close the pressure cooker and cook for just 1 whistle.

Meanwhile, roast all the items given under "to roast and grind". Let it cool completely, then grind it into coarse powder.

Heat nallennai/gingelly oil in a separate pan,  add the mustard seeds and let them splutter.
Add the broken red chilly, chopped shallots and fry for a few minutes.
Now add the chopped tomatoes and cook till they become soft.
Add the turmeric powder, masala powder, and about 1/4cup of water. Let it boil nicely until the masala smell has gone.

Open the pressure cooker, add in the onion-tomato-masala into the cooker, mix it well.
Reduce the heat to low, cook for 5 more minutes.
Delicious and aromatic oats sambar sadham is ready to serve. You can add little ghee while serving. Serve hot with your choice of vadaam/chips or varuval.
Recipe Inspiration: Here