05Beat the remaining egg with a pinch of salt and brush the egg wash over each cylinder. Bake about 20 minutes, until golden and firm to the touch.06Place cylinders on a cutting board and slice through them at a 45-degree angle at one-half inch intervals. Remove the parchment paper from the baking sheet. Place the slices standing up on the baking sheet and return them to the oven for another 15 minutes to dry. Allow to cool, then store airtight.