Overnight French Onion Soup

By: Debbie from Parents Need to Eat Too, Debbie Koenig's Words to Eat By

Overnight French Onion Soup is an easy and wholesome slow cooker French onion soup recipe that's perfect for a family of four. Prep this soup from scratch, set it on LOW and let it cook all night. This slow cooker soup is great for entertaining or for a weeknight meal.