Slow-Roasted Pork Ribs with Guava Sauce

When I first visited Aconchego Carioca, I knew the chef had to be someone very special. For a long time I wanted to cook with Kátia Barbosa, and on a recent trip to Rio I was invited into her kitchen. On that unforgettable day, she showed me how to prepare this amazing recipe. Kátia likes to use a guava paste with a creamy consistency, but if you can only find the firm kind, that’s fine; just add a few tablespoons of water to help d