Firstly in a tawa roast the tomatoes, garlic cloves and onion alternatively roast in oven
Flip in-between until the onions and garlic turn Golden brown
Then keep the roasted onion and Garlic aside. and continue to roast tomatoes
Roast tomatoes until the skin of tomatoes start to peel off
After cool the tomatoes completely and transfer to the blender.
Also add roasted onion and garlic
Further more add cumin powder, dried red chilli, lemon juice, chopped coriander leaves, sliced jalapeño, salt
Blend to coarse paste without adding any water.
Now add 2 tsp olive oil and give a good mix.
Finally enjoy roasted desi tomato salsa with nacho chips..