Sub roll
1 tbsp. vegetable oil
1/2 lb. skinless, boneless chicken breast , cut into strips
1 small green OR red pepper cut into 2" strips
1 medium onion , sliced

HEAT oil in skillet. Add chicken and cook until browned, stirring often. Remove chicken.
ADD pepper and onion and cook until tender. Return chicken to skillet and heat through.
SPOON chicken mixture on bottom bread half and top with remaining bread half.

Chicken cheese steaks taste best with provolone cheese

Add blue cheese
Bavarian blue blue cheese
References :