• 1/4 cup olive oil (divided): This adds richness and enhances the flavors of the vegetables. Opt for high-quality extra virgin olive oil for the best results.
• 1/2 onion (finely chopped): Onions form the aromatic base of the soup, providing sweetness and depth.
• 3 carrots (finely chopped): Carrots add natural sweetness and color, complemented by vital nutrients.
• 3 ribs celery (finely chopped): Celery contributes texture and a slight earthiness, binding the flavors together.
• 3 cloves garlic (minced): Garlic infuses the soup with a warm and savory flavor, enhancing overall taste.
• 1/2 tsp Italian seasoning: This blend of herbs adds a delightful flavor boost, making the soup even more aromatic.
• 2 sprigs fresh rosemary or thyme: Fresh herbs impart vibrant flavors; rosemary complements the lemon beautifully.
• 1 tsp coarse kosher salt: Essential for enhancing flavors throughout the soup.
• 1 can cannellini or navy beans (rinsed and drained): Beans provide protein and create a heartier texture.
• 3 cups shredded kale: Packed with vitamins, kale adds nutritional benefits and an appealing green color.
• 2–3 cups cooked shredded chicken (or turkey): This is the primary protein; feel free to use rotisserie chicken for convenience.
• 5 cups chicken broth: A flavorful broth serves as the foundation for the soup. Consider options like Better Than Bouillon or bone broth for an extra depth of flavor.

For finishing touches, you will need:

• Juice of 2 lemons: Adds brightness and a refreshing zing to the soup.
• Salt and pepper to taste: Essential for balancing flavors.
• Grated Parmesan, bread, and butter for serving: Complements the soup and elevates the overall experience.