Boston baked beans carry three centuries of Yankee thrift in every spoonful. The Puritans baked them on Saturday, let them simmer through the Sabbath, and ate them for Sunday supper because their faith forbade cooking on the Lord's day. That religious necessity produced one of America's great dishes. The long, slow heat transforms humble navy beans into something approaching the sacred.

The molasses tells another story. Ships from the Caribbean brought it to Boston's wharves, where it became cheaper than sugar and flavored everything from brown bread to these beans. That distinctive bittersweet depth you taste? It's the flavor of colonial trade routes, of a city built on maritime commerce. When you make this dish, you're cooking history.

I've eaten baked beans from church suppers in Vermont, from diners in Worcester, from my own kitchen more times than I can count. The best versions share three qualities: beans that hold their shape but yield completely to the tooth, a sauce thick enough to coat a spoon, and that perfect balance where molasses sweetness meets the salt and smoke of good pork. This recipe delivers all three. It requires time, not skill. Set your pot in a low oven and let physics do the work.