Elevate your sandwich game with our indulgent Double Decker Stuffed Portabella Sandwich recipe. Bursting with bold flavors and satisfying textures, this mouthwatering creation is sure to impress even the most discerning palates.
Marinate mushroom caps in favorite marinade or Italian dressing for at least 30 minutes.
Preheat grill to high. Grill rolls until lightly toasted.
Place caps and onion slices on grill, cooking 3-4 minutes, flip and grill 3-4 more minutes.
Transfer onions to a plate. Divide the blue cheese among 6 of the cap and top each with the remaining mushroom. Cover and grill until cheese melts, about 1 minute.
Place a mushroom stack on each of the rolls and top with onion
