01 -
Preheat your oven to 190°C.
02 -
In a skillet over medium heat, melt garlic butter and sauté onions and bell peppers until softened.
03 -
Add the thinly sliced beef to the skillet, season with salt and pepper, and cook until browned.
04 -
Slice the Italian bread lengthwise and scoop out some of the insides to create space for the filling.
05 -
Fill the bread with the beef, onion, and pepper mixture.
06 -
Top generously with shredded provolone cheese.
07 -
Bake in the preheated oven for 15-20 minutes, or until the cheese is melted and bubbly.
08 -
Remove from oven and let cool slightly before slicing. Garnish with fresh parsley and serve warm.