Pre Heat oven to 350 degrees While oven is warming up, remove stem, scrape gills from underside with spoon and wash the portabello under cold water. Pat dry with paper towel Spray both sides of mushroom with cooking spray and place mushroom on greased baking sheet.with the underside up Break up muenster cheese slice into small pieces and place into mushroom cap. Crack Egg and drop on top of cheese inside of cap. Place into oven for 20mins While its baking, cook bacon on stovetop, drain on paper towel when done and chop finely into bits. Chop green onion into small rings When has set and time is up remove from the oven, let it sit for 3 minutes, put on plate, add salt, pepper and hot sauce to taste and garnish with bacon bits and green onion ENJOY!