Cook tortellini in boiling salted water for 3-5 minutes, then drain and set aside.
Cook thinly sliced ribeye steak in olive oil for 3-4 minutes until browned, then set aside.
Sauté sliced onion and bell pepper for 5-6 minutes until softened, then add garlic and cook for 1-2 minutes.
Add beef broth, bring to a simmer, and reduce slightly. Stir in heavy cream and cook until thickened. Add provolone and Parmesan, stirring until melted and smooth.
Return steak to the skillet, add tortellini, and toss to coat with sauce. Cook for 2-3 minutes until heated through. Sprinkle with parsley and serve.
Notes
For convenience, use pre-sliced ribeye steak if available. Adjust the amount of garlic and herbs to your taste.