Wash the tomatoes and all vegetables thoroughly, then cut them into bite-sized pieces.
Heat olive oil in a pot and sauté minced garlic.
Add prepared vegetables such as onion, carrot, and celery, and stir-fry.
Add tomatoes and stir-fry together.
Pour in water or vegetable broth and bring to a boil.
Season with salt and pepper.
When the vegetables are tender, turn off the heat and serve.