This is one of those recipes that may irritate fans of the authentic Philly cheesesteak, but you cannot knock it until you try it. This is a vegetarian version that can be vegan if you substitute Provolone cheese with a vegan alternative.
The Italian Oyster is a tender mushroom worth using in a pie or quiche mixture. There is another recipe we posted for a mushroom pie that uses the Italian Oyster mushroom, so here is the breakfast version! Of course, you can have a quiche for any meal, because eggs for dinner isn't weird.
