01 -
Heat olive oil and butter in an oven-safe skillet over medium-high heat.
02 -
Season cubed steak with salt and black pepper, then sear in the skillet until browned on all sides. Remove from skillet and set aside.
03 -
Add sliced green bell pepper and yellow onion to the skillet. Sauté until softened and caramelized, about 5 minutes.
04 -
Stir in minced garlic and cook for an additional minute until fragrant.
05 -
Pour in beef broth and bring to a gentle simmer. Add heavy cream and stir to combine.
06 -
Gradually add shredded provolone cheese, stirring continuously until the sauce is smooth and fully melted.
07 -
Add tortellini and seared steak to the sauce. Simmer gently until tortellini is just tender, approximately 3–5 minutes.
08 -
Sprinkle shredded mozzarella evenly over the top. Place skillet under a broiler until cheese is golden and bubbly, about 2–3 minutes.
09 -
Serve immediately, straight from the skillet while hot.