Marinate a flank steak in A1 or Heinz 57 sauce. Not a lot of sauce just a little to coat lightly. Saute in pan add a little salt and pepper when sauteing. Place peppers & onions in pan coat a little olive oil and saute. Before removing peppers and onions from pan salt and pepper them. Place meat and pepper/onions on bun and sprinkle cheese and let melt.