Vegetable Soup with Sweet Basil

Name: Vegetable Soup with Sweet Basil
Ingredients: 2 small leeks, white part only; 1 large potato, peeled; 1 small onion; 2 stalks celery; 1 medium zucchini; 12 green beans; 2 medium carrots, peeled; 6 tablespoons olive oil; 3 tablespoons water; 1/2 gallon chicken stock (or 1/2 gallon water, 4 bouillon cubes, a pinch of thyme, and 1/2 bay leaf); 6 ripe tomatoes, peeled and seeded; 4 medium garlic cloves; 30 fresh basil leaves, washed and dried; Salt; 1/2 teaspoon freshly ground black pepper