1/4 pound slab or thick-cut bacon, cut into 1/2-inch pieces
8 skinless, boneless chicken thighs (about 2 1/2 pounds)
Kosher salt and freshly ground pepper
All-purpose flour, for dredging
1 tablespoon extra-virgin olive oil
1 (12-ounce) bottle beer (preferably brown ale)
1 cup frozen pearl onions, thawed
1/2 pound small red-skinned new potatoes, halved
2 tablespoons whole-grain mustard
2 tablespoons packed dark brown sugar
4 sprigs fresh thyme
3 tablespoons chopped fresh parsley