Mushrooms, filling and topping can be prepared the day before, packaged separately and refrigerated. On the day of the party fill mushrooms, refrigerate, and then bake just before the party.
Parmesan Cheese: Levels of glutamate (1200mg/100g)
Mushrooms: Levels of glutamate (180 mg/100g)
Recipe courtesy of BettyCrocker.com
Photo credit: Flickr user, Team WayLay
Visit MSGdish.com for more savory food recipes.