cellulose casings or, even worse, no casing at all will be
straight as an arrow.- A nipple at either end. Examine the ends of
the hot dogs. If you see a little nipple like the knot in a
balloon, you’ve got yourself a natural-casing frank. If
you see a pinched-star-shaped pattern, you’re looking at
the mark left by a cellulose casing being pinched shut.SERVES 4 TO 6
One 1-pound package sauerkraut, with its juices
8 to 12 natural-casing all-beef hot dogs (such as Boar’s
Head, Sabrett, or Dietz & Watson)