Stuffed Portobello MushroomsAppetizer, Recipe, S Fuel, Side Dishes | 0 comments Stuffed Portobello Mushrooms 2 portobellos2 TBL onion (chopped)1 TBL butter2 TBL THM baking blendItalian seasoninggarlic powder2 TBL fresh grated Parmesan Preheat the oven 375°Clean the mushrooms and remove the gills.After the gills are removed, remove the...