These Slow Cooker French Onion Meatballs simmer in a rich onion sauce with caramelized onions and gooey Gruyere melted on top. Simple to make and loaded with classic French onion soup flavor, they ...

French onion soup is a delicious reminder that the best things in life are often the simplest. Cooking onions low and slow for hours transforms them into something rich, slightly sweet, multi-layered, ...