More cheese tops the sandwich before it’s toasted in the oven and finished under the broiler.
A decadent take on the ham and cheese sandwich that only the French could come up with, the croque monsieur is truly next level. It’s built with thinly sliced French ham, Gruyère cheese, and a creamy Mornay sauce between slices of pain de campagne or other firm white bread. More cheese tops the sandwich before it’s toasted in the oven and finished under the broiler.