Slow Cooker Vegetarian Minestrone

Ingredients (17)

• + 6 cups vegetable broth add to pantry
• + 1 (28 ounce) can crushed tomatoes add to pantry
• + 1 (15 ounce) can kidney beans, drained add to pantry
• + 1 large onion, chopped add to pantry
• + 2 ribs celery, diced add to pantry
• ✓ 2 large carrots, diced
• + 1 cup green beans add to pantry
• + 1 small zucchini add to pantry
• ✓ 3 cloves garlic, minced
• + 1 tablespoon minced fresh parsley add to pantry
• + 1 ½ teaspoons dried oregano add to pantry
• ✓ 1 teaspoon salt
• + ¾ teaspoon dried thyme add to pantry
• + ¼ teaspoon freshly ground black pepper add to pantry
• + ½ cup elbow macaroni add to pantry
• + 4 cups chopped fresh spinach add to pantry
• + ¼ cup finely grated Parmesan cheese, or more to taste add to pantry