Cook the cheese tortellini according to the package instructions. Drain and set aside.
In a large skillet, heat the olive oil over medium heat. Add the sliced onion and cook until softened and slightly caramelized, about 5-7 minutes.
Add the cubed beef steak to the skillet. Season with salt and pepper. Cook until the beef is browned on all sides and cooked through, about 6-8 minutes.
Pour in the beef broth and Worcestershire sauce. Stir to combine and let the mixture simmer for 3-4 minutes.
Reduce the heat to low and sprinkle the shredded provolone cheese over the beef mixture. Stir until the cheese is melted and the sauce is smooth.
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