White Bean Soup with Chive Oil

INGREDIENTS

• 1 tablespoon chopped fresh thyme
• 1/2 cup half-and-half
• 3 tablespoons olive oil
• Salt and freshly ground black pepper
• 1 cup chopped leeks (white and pale green parts only)
• 1 tablespoon chopped fresh rosemary
• for drizzling
• 2 cups dried Great Northern or other small white beans, rinsed and picked over
• 11 cups homemade chicken stock or canned low-salt chicken broth, or more as needed
• 1/2 cup chopped celery
• 1 large tomato, halved, seeded, and chopped
• 1/2 cup chopped carrots
• 1 large onion, chopped
• 8 garlic cloves, chopped