Matzo popovers: the name conceals a different base

Useful to know

King Arthur Baking's Passover Popovers use matzo meal and cake meal added to heated liquid, with eggs incorporated later. This particular version has its own method. [1]

Do not automatically substitute ordinary flour at the same proportions. Culinary technique and suitability for particular religious observance are separate questions; the title does not settle every requirement.