This baked casserole earns its name! Make ahead friendly and a favorite of both adults and kids, this is the perfect dish for busy weeknights or dinner parties.
Cook the pasta.Salt the water, bring to a boil, then add pasta. Cook at the lower end of the cooking time on the package directions, so it’s just al dente.
Cook the beef.Meanwhile, heat a swirl of oil in a large skillet over medium heat. Add the ground beef and onions and cook, stirring often, until the beef is browned and onions are softened, about 7 minutes.