VII: Return to Origins; or, The Quantum of Cheese Toast

Let's pull the cheese toast thing back a notch. We've seen cheese toast with tasso, with sun-dried tomatoes, with roasted peppers, with black bean and corn salsa, with leafy greens, with olive tapenade. I mean, what's next? Hungarian goulash cheese toast?

Let's go classic, elegant. The cheese toast pictured here has nothing on it except for mustard and …