1½ pounds boneless top sirloin, cut into ⅛-inch-thick strips
1½ cups bell peppers, thinly sliced
½ yellow onion, thinly sliced
1 teaspoon olive oil
4 slices provolone cheese
4 French-style hoagie rolls, halved and toasted
Freshly ground black pepper, to taste
Kosher salt, to taste
Place the cut sirloin, bell peppers, onions, and olive oil in a medium bowl, season to taste with kosher salt and freshly ground black pepper, and toss to combine.
Place the crisper plate into the COSORI Smart Air Fryer basket, then place the sirloin and pepper mixture onto the crisper plate.
Select the Roast function, adjust temperature to 395°F, then press Start/Pause.
Spread the 4 slices of provolone cheese over the cooked sirloin and peppers.
Select the Broil function, adjust time to 5 minutes, then press Start/Pause.
Remove the cheesesteak filling when done.
Build the sliders on the hoagie rolls and serve warm.