Nuts (Passover) Status: Raw whole, slivered, or chopped nuts are acceptable without Passover certification whether in or out of the shell and even if they are steam pasteurized, except if they are [a] blanched or roasted (all varieties), [b] finely ground into a powder, such as almond flour, [c] contain BHT or BHA, [d] shelled pecan pieces, or [e] peanuts (which are kitnios).