Tomato pasta sauce - Penny Melville-Brown

Ingredients

• 1 large onion, peeled and finely chopped.
• 4 carrots, peeled and finely chopped.
• 2 sticks celery, peeled and finely chopped.
• 3-4 cloves garlic, peeled and finely chopped.
• 10 pieces dried tomato, finely chopped.
• Tablespoon each of thyme, rosemary and tarragon leaves, chopped.
• Teaspoon ground black pepper.
• 3 tablespoons olive oil.
• 750-1000g ripe tomatoes, roughly chopped.
• Large pinch of salt.
• Tablespoon basil leaves, torn.