Mushroom Cheesesteaks | Clean Plates

Ingredients

• 1 cup julienned Spanish onion
• 2 tablespoons extra-virgin olive oil
• 8 cups sliced portobello mushrooms
• 1 teaspoon porcini mushroom powder
• 1/2 teaspoon dried oregano
• 2 teaspoons finely chopped garlic
• 2 tablespoons tamari or soy sauce
• 1/2 teaspoon Worcestershire sauce
• 2 cups julienned red and/or green bell peppers
• 1/4 cup grated provolone cheese
• 4 Sourdough Ciabatta Rolls or sub rolls