French Onion Soup is a classic dish that is perfect for a cold winter night. It is made with caramelized onions, beef broth, and melted cheese.
French Onion Soup is a classic dish that is perfect for a cold winter night. It is made with caramelized onions, beef broth, and melted cheese.
Transforming humble root vegetables into a savory broth has roots in antiquity, evolving from a peasant staple into Parisian bistro fare during the 18th century when restaurateurs capitalized on the restorative properties of long-simmered stocks. Slicing white onions uniformly ensures they break down evenly as moisture evaporates during the initial 15 to 20 minutes of heat application. When butter fat coats the alliums, natural sugars convert into complex flavor compounds through the Maillard reaction without scorching the pan.
Historically, thick slices of stale hearth bread anchored the bowl to absorb the savory liquid before cheese was melted over the top under direct radiant heat. Substituting standard sandwich loaves for a dense French baguette alters the structural integrity of the crust, causing the bread to dissolve prematurely rather than holding its shape under layers of Swiss and mozzarella. Baking the sliced bread at 350 degrees Fahrenheit for 10 minutes prior to assembly dries out the crumb so it can support heavy dairy without turning into porridge during the final 5 to 8 minutes in the broiler.