Rob Endelman shows us a quick and easy way to create a delicious dish out of a Portobello Mushroom. He explains to you that Portobello Mushrooms are high and potassium and a delicious treat to enjoy whenever you might be hungry. From preparing it by taking the cap off and removing the inside gills to cooking on a cookie sheet covered in aluminum foil cap side up for to cooking for only 20 minutes at 400 degrees. Dirty mushrooms can be cleaned with a moist paper towel to be cleaned up. If you follow these instructions you will have a mushroom perfect for salads or just eating plain any time of day.