What to Serve with French Onion Soup? 15 BEST Side Dishes

French onion soup is a classic dish that has been around for centuries. The combination of cheese, bread crumbs, onions, and broth is delicious. But what should you serve alongside it? French onion soup is traditionally served with grilled or poached baguette slices. Some restaurants also offer other side dishes such as salads, potatoes, and…