2 racks baby back ribs, (about 2 1/2 pounds)
1 recipe Bourbon Barbecue Sauce, recipe follows
Lemon wedges
Fresh rosemary sprigs
1/2 cup steak sauce
1/2 cup bourbon or good dark beer
2 tablespoons Worcestershire sauce
1/4 cup packed dark brown sugar
1 teaspoon regular or grainy Dijon mustard
2 pinches red pepper flakes
Kosher salt