Cut the vegetables such as onion, carrot, celery, tomato, and cabbage into bite-sized pieces.
Add olive oil to a pot and sauté the onion and celery.
Add the remaining vegetables like carrot, cabbage, and tomato, and sauté together.
Pour in water and bring to a boil over medium heat.
Season with salt and pepper.
Simmer for about 20-30 minutes until the vegetables are tender.