To do this successfully one must prepare a mixture, and not use the egg alone. If an egg mixture or a croquette is dipped in beaten egg and rolled in cracker crumbs and dropped into fat, it always has a greasy covering. This is the wrong way. To do it successfully and have the articles handsome, beat the egg until well mixed, add a teaspoonful of olive oil, a tablespoonful of water and a dash of pepper. Dip the articles into this mixture, and then drop them on quite a thick bed of either sifted dry bread crumbs or soft white bread crumbs.
I prefer sifted dry bread crumbs for croquettes, and soft white crumbs for lobster cutlets and deviled crabs.