Yes, you can freeze breaded mushrooms. The process is pretty easy, all you need to do is to line all the mushrooms after coating them in the breadcrumbs on a baking tray, place the tray in the freezer for 1 hour, then transfer the breaded mushrooms into a Ziploc bag or a container and freeze up to 2 months. Then, baking making them, take them out of the freezer and fry in hot oil until golden brown