Start to finish: 40 minutes Serves: 4 Key Ingredients Needed Kosher salt 1 pound sirloin steak Freshly ground black pepper 4 tablespoons vegetable oil 12 ounces uncooked bucatini 2 large sweet onions, thinly sliced (about 4 cups) 4 bacon slices, diced 1 cup beef broth 1/2 cup heavy cream 1 cup grated Parmesan cheese, divided …