In a large saucepan, heat oil, add bacon & cook till crispy.

Add the chopped onion, garlic and cook for 10 more minutes till they are cooked.

Add the tomatoes, salt & cook till tomatoes becomes puree.

Add the stock, simmer for 1/2 hr till the sauce is thick enough.

Add sugar, season with salt and pepper.

Now put the mixture into grinder and make puree, strain & reserve.

Serve with snacks.