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  • 6 cups vegetable broth
  • 1 (28 ounce) can crushed tomatoes
  • 1 (15 ounce) can kidney beans, drained
  • 1 large onion, chopped
  • 2 large carrots, diced
  • 2 ribs celery, diced
  • 1 cup green beans
  • 1 small zucchini, chopped
  • 3 cloves garlic, mince
  • 1 tablespoon minced fresh parsley
  • 1 ½ teaspoons dried oregano
  • 1 teaspoon salt
  • ¾ teaspoon dried thyme
  • ¼ teaspoon freshly ground black pepper
  • ½ cup elbow macaroni
  • 4 cups chopped fresh spinach
  • ¼ cup finely grated Parmesan cheese, or more to taste
  1. Gather all ingredients.
  2. Combine broth, tomatoes, kidney beans, onion, carrots, celery, green beans, zucchini, garlic, parsley, oregano, salt, thyme, and pepper in a 6-quart slow cooker. Cover and cook on Low for 6 to 8 hours.
  3. Bring a large pot of lightly salted water to a boil. Cook elbow macaroni in the boiling water, stirring occasionally, until cooked through but firm to the bite, 8 minutes; drain.
  4. Stir macaroni and spinach into the slow cooker; cover and cook for 15 more minutes.
  5. Ladle into bowls and sprinkle with Parmesan cheese.