1In med saucepan, heat 1 inch of oil to 350degrees f.
Place fr5ench-fried onions in a lrg zip-top bag. Press out air an seal. use a rolling pin to crush onions in bag. Pour crushed onions into a pie plate an mix with bread crumbs. season to taste with salt an pepper.
2pour egg substitute into a shallow bowl. dip a portabello slice in egg substitute an shake off excess. Dredge in bread crumb mixture until well coated place on a rack. Repeat with remaining portebellos.
3Working in batches, fry portebellos about 2 minutes per side or until golden brown. place on paper towels.serve with your favorite dip