INGREDIENTS
1
Reserved chili-rubbed skirt steak
1
Onion, medium
1
Salt and ground pepper, Coarse
1 tbsp
Olive oil
2 tbsp
Red-wine vinegar
1
Green bell pepper (ribs and seeds removed)
1
Red bell pepper (ribs and seeds removed)
4
Italian hero rolls, crusty
6 oz
10 slices) pepper jack cheese