Take the pan and dry roast the cashews till slightly golden. Set aside.
In the same pan, heat oil and add mustard seeds, urad and chana dal and lower the heat. Sauté till mustard seeds splutter.
Add finely chopped ginger, garlic and tomatoes. Sauté for a minute. Add turmeric, salt and chili powder and 1 cup of water. Bring it to the boil. Lower the heat and cook till water is evaporated and you have thick tomato paste.
Now add quick cooking oats with 1&1/2 cups of water. Check for salt and pepper. Cook for another 3-4 minutes, till oats thicken.
The quick, delcious and nutritious Tomato Oats are ready!