Lisbon vs. Algarve: Where to Take a Pastel de Nata Cooking Class?

Every traveler to Portugal eventually discovers pastéis de nata. Their crisp pastry and creamy custard are difficult to forget. Tasting them is wonderful, but baking them feels even more special. You learn the technique, history, and small details behind every tart. The difficult question is where to take your class. Should you choose historic Lisbon or the sunny Algarve?