Ingredients:

• 2 tablespoons oil from a jar of oil-packed sun-dried tomatoes
• 6 cloves garlic, minced
• 3/4 cup drained and chopped sun-dried tomatoes with herbs
• 3 tablespoons tomato paste
• 8 cups low-sodium chicken broth
• 8 ounces small pasta shells (about 2 cups)
• 1 (5-ounce) package baby spinach, coarsely chopped
• 2 cups shredded cooked chicken (about 8 ounces)
• 1 (8-ounce) package cream cheese, cubed and softened
• 1/2 cup finely shredded Parmesan cheese, plus more for garnish
• 1/4 cup chopped fresh basil, plus more for garnish, optional
• Kosher salt, if needed, to taste