finely ground beef (about 450 grams) • finely ground lamb (about 225 grams, optional) • finely ground beef fat (dosh, preferred over suet for kofta, about 225 grams) • large onion, grated (squeeze well and reserve the onion juice separately) • cornstarch, all-purpose flour, or fine breadcrumbs • baking soda or baking powder • egg white • salt (use 1 tablespoon salt per 2 lbs ground meat) • black pepper • nutmeg • chopped fresh parsley leaves (about 15 grams, use only the leaves, not stems) • oil •