Cook the tortellini according to package instructions.
Heat the olive oil in a large skillet over medium heat.
Sauté the diced onions and bell pepper for about 5 minutes.
Add the sliced beef and minced garlic, cooking until the beef is browned.
Pour in the beef broth and bring to a simmer.
Stir in the heavy cream and let it simmer for about 3 minutes.
Mix in the shredded provolone cheese until melted.
Season with salt and pepper, then combine with the cooked tortellini.
Garnish with fresh parsley and serve immediately.