Wash vegetables such as onions, carrots, and celery thoroughly and chop them into bite-sized pieces.
Heat olive oil in a pot and sauté onions and garlic.
Add the remaining vegetables to the pot and stir-fry for 2-3 minutes.
Add tomatoes and water, then bring to a boil.
Season with herbs, salt, and pepper to taste.
Simmer over medium-low heat for 20-30 minutes until the vegetables are cooked.