Sicilian Tuna Soup

• 40 milliliters garlic (chopped)
• 2 cans tomatoes w
• 2 cans tuna in water drain (chunk light)
• 1 onion (chopped)
• 1 zucchini (chopped)
• 950 ml chicken stock
• 30 ml dry sherry
• 30 ml olive oil
• 1 gr oreganon (dried)
• 1 gr black pepper