Immunity Soup

Ingredients

• 2 tablespoons olive oil
• 1 ½ cups chopped onion
• 3 celery stalks, thinly sliced
• 2 large carrots, thinly sliced
• 1 pound presliced vitamin D-enhanced mushrooms (such as Monterey Mushrooms)
• 10 medium garlic cloves, minced
• 8 cups unsalted chicken stock (such as Swanson)
• 4 thyme sprigs
• 2 bay leaves
• 1 (15-oz.) can unsalted chickpeas, drained
• 2 pounds skinless, bone-in chicken breasts
• 1 ½ teaspoons kosher salt
• ½ teaspoon crushed red pepper
• 12 ounces curly kale, stems removed, leaves torn