Slow Cooker Lentil Soup with Sausage

Combine sausages, carrots, celery, onion, tomatoes, lentils, water, wine, oil, garlic, oregano, basil, thyme, bay leaf, salt, and pepper in the bottom of a slow cooker.

Cover and cook on Low until lentils are tender and sausage is no longer pink, 6 to 8 hours.

When ready to serve, stir in spinach and cook until it wilts, 7 to 10 minutes. Remove bay leaf.