Chef Toya's Portobello Mushroom "Cheese-steak"

• Portobello Mushroom ( use 1- 1&1/2 per sandwich depending on your desired fullness)
• sweet onion
• bell pepper ( I used yellow)
• virgin olive oil
• 1 teaspoon of red wine vinegar
• Worcesestire sauce
• black pepper
• garlic powder
• sea salt for seasoning
• 1-2 tablespoons of vegetable broth
• hoagie bread

additional options:

veganaise, red pepper flakes, and daiya cheese.