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They have their own way of eating sandwiches.
When we think of open-face sandwiches, the ones that first come to mind are croque messieurs and tuna melts. Yet any sandwich can be eaten this way—which is exactly what Kristen Gradney, MHA, RDN, LDN, does whenever she eats a sandwich, whether it's chicken salad, turkey and Swiss or hummus and veggies. Ditching the second slice of bread saves calories and carbohydrates, and, since Gradney uses a fork and knife to eat it, she ends up taking longer to finish her meal, and fills up more quickly.