Cold zucchini, mozzarella and tuna soup

Ingredients for 4 people
4Firm medium zucchini, extra
virgin olive oil 200g Buffalo mozzarella (if possible, artisanal)
150g Tuna fillet in extra virgin olive oil (in a jar)
4 tbsp. tablespoons Pecorino (or grated Parmesan cheese)
1clove Fresh
garlic 8Cherry tomatoes
8Mint
leaves Salt