If you're wondering what to do with the hazelnuts in the Chocolate Hazelnut Tart recipe on page 18 of BAKE! you are not alone.  Somehow the essential instruction was omitted from the printed book, but it's an easy fix.  At the end of step 4 in the recipe, the missing text should read, "Stir in the hazelnuts."  If only every mistake were as easy to correct...