Simple Chicken Soup

Ingredients

• 1 tablespoon olive oil
• 1 large yellow or white onion, chopped
• 4 carrots, peeled and chopped
• 6 celery ribs, chopped
• kosher salt
• freshly ground black pepper
• 3 cloves garlic, chopped fine
• 4 cups cooked chicken, shredded or chopped
• juice of 1 whole lemon
• 6 cups chicken stock, homemade or low sodium
• 1 tablespoon fresh thyme or 1 1/2 teaspoon dried thyme