Beef with caramel

2 lbs beef stew meat , large chunks or 3 lbs pot roast kosher salt , to taste pepper , to taste 3 tablespoons canola oil or 3 tablespoons olive oil 2 -3[...]

3 tablespoons unsalted butter 6 large shallots, sliced salt and black pepper to taste 2 French baguettes, halved lengthwise 2 tablespoons Dijon mustard, or to[...]