Some chicken parmesan recipes call for an egg wash to help the breadcrumbs stick to the chicken. However, I don't find that necessary when baking chicken parmesan in the oven.u003cbr/u003eu003cbr/u003eI find it easier to flip the chicken when I leave the egg wash out. u003cbr/u003eu003cbr/u003eHowever, if you want a thicker breadcrumb coating, then dipping the chicken breast in a beaten egg before dredging in the flour will help.