Basil and Tomato Soup

WHAT YOU'LL NEED

• 2 tablespoons olive oil
• 2 carrots peeled and chopped
• 2 celery sticks chopped
• 1 medium onion chopped
• 2 cloves garlic crushed
• 400 ml water
• 1 Knorr Vegetable Stock Pot
• 400 grams tinned plum tomatoes
• 3 large ripe tomatoes chopped
• 20 grams basil (save some leaves to garnish)
• freshly ground pepper
• 60 grams mascarpone (or a similar vegetarian alternative)