Baked salmon, lemon, crusty bread, fresh dill, Greek yogurt, shallot, and arugula make this salmon tartine one delicious open-faced sandwich! Ready in 20 minutes. I've always loved open-faced sandwiches. In fact, I eat them more often than "normal" sandwiches. I'm always up for maximizing  yummy toppings and skipping the top layer of bread (except if