Before serving, make an Italian meringue with the remaining 3 egg whites (equal parts egg white and sugar by weight, cooking the sugar to 250 ˚F / 120 ˚C). (bookpage.com)
Simply mix equal part Egg - Free Omelett Mix and water and pour into a pan. (shop.thevegankind.com)
The ratio for making a strata is really simple: 1 part milk + 1 part eggs + 1 part cheese + 1 part add - ins (optional) + 2 parts bread. (epicurious.com)