Tartines can be considered dressed-up, open-faced sandwiches, but I love them for their versatility and beautiful presentation. These have autumn written all over them, and the variety of mushrooms adds to the appeal.
While no cheese sauce can get away with the "skinny" moniker, this one isn't terribly sinful because it's milk-based rather than cream based. The addition of gooey Piemontese cheese makes it silky, rich and smooth.