As you might imagine, baking plain hot chocolate won't amount to more than a really hot drink. This version starts with melting chocolate and butter, adding eggs, and baking until set on top but still gooey on the bottom. And of course, it begs to be served in a hot cocoa mug. We can't wait to try it out!
Related: Mexican Hot Chocolate
(Images: Kate Morgan Jackson of Framed Cooks; F. Martin Ramin/The Wall Street Journal)