For approximately 1liter of soup you need 1 red onion, 4 garlic cloves, 1 dried chili optional, a few old pieces of parmesan cheese, a combination of your choice of dried herbs as basil, thyme, bay leaf or oregano or all of it, 500ml of passata, a drizzle of balsamic vinegar and a drizzle of … More A super easy tomato soup