Cook the tortellini according to package instructions until al dente.
In a large skillet, heat olive oil over medium heat and sauté the onions and bell peppers until softened.
Add the minced garlic and sliced beef to the skillet, cooking until the beef is browned.
Pour in the heavy cream, stirring gently, and bring to a simmer.
Gradually add the shredded provolone cheese, stirring until melted and smooth.
Combine the cooked tortellini with the sauce and toss well to coat.
Season with salt and pepper to taste, adjusting as necessary.
Serve immediately, garnishing with extra provolone or parsley if desired.