French onion soup is one of our favorite comfort classics, beloved by onion lovers and picky eaters alike! Caramelizing the onions turns the once-sharp alliums into a sweet, meltingly tender bite.

May is National Burger Month and to celebrate we are bringing together the flavors of a classic burger and French onion soup.

Serve immediately, before the croûton goes soggy. If cooking for vegetarians, the beef stock in this French onion soup could be substituted for this rich vegetable stock with dried mushrooms.

Classic and delicious – it's Mary's easy French onion soup. Golden-brown, caramelised onions cooked in a rich beef stock are served with cheesy mustard croûtes. Melt the butter and oil in a ...