Cut the portobello into strips about 1 inch
In a bowl, combine olive oil, balsamic vinegar, tamari sauce, Dijon mustard and pepper salt
Marinate the strips of portobello in the marinade from 30 minutes to 1 hour
Cook on the BBQ over medium high heat, 4 to 5 minutes per side ( 2 main sides)
Toast hot dog buns for the last 2 minutes
Add 1 portobello strip per loaf and garnish to taste