preheat oven to 350°f

remove stems and dispose of the stems

wash mushrooms in cold water and let drain on paper towel for a few min, then place in a 11"x 13" glass backing pan and set aside

Take premade stuffing, Bacon and Swiss cheese and mix in a mixing bowl then add garlic powder, onion powder and parsley and mix well

take cooking spray and spray pan and mushrooms lightly so nothing sticks

fill mushroom with a tablespoon of the stuffing mix and sprinkle the Parmesan cheese over the top each Mushroom.

place in preheated 350 °f oven, cook for 25 to 30 minutes or until mushrooms are browned and cheese is thoroughly melted place on Platter and enjoy.