Heat the Oil: Place a pan on the stove, add 1 tablespoon of oil, and let it warm up. Spread the oil evenly across the base of the pan.
Add the Vegetables: Keep the flame on low. Add the whole tomato, raw mango, onion, garlic bulb, and green chilli to the pan.
Season and Roast: Sprinkle a tiny bit of salt over the vegetables. Cover the pan with a lid and let them roast on low heat for 2 minutes.
Flip and Cook: After 2 minutes, remove the lid and gently flip the vegetables so they cook evenly on all sides. Cover and cook for another 2 minutes until they soften.
Peel the Veggies: Turn off the heat and remove the vegetables. Carefully peel the skin off the roasted tomato and the raw mango.
Chop or Blend: Transfer the roasted veggies into a manual chopper. If you don't have a chopper, you can use a mixer grinder—just pulse it once or twice so the texture remains coarse and chunky.
Add Spices and Herbs: To the coarsely chopped mix, add sugar, black salt, chaat masala, roasted cumin powder, red chilli powder, regular salt, mint leaves, and coriander leaves.
Final Mix: Give it one more quick mix in the chopper until all the spices and herbs are beautifully blended into the coarse Raw Mango Tomato Chutney.