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.
Chef Eric Greenspan, author of The Great Grilled Cheese Book: Grown-up Recipes for a Childhood Classic, walks you through the do's and don'ts of making grilled cheese sandwiches. Ready thy tomato soup for dunking.