Drain the sauerkraut well. Heat apple juice and braise sauerkraut in it for 3-5 minutes. Mix mustard and sour cream. Season with salt. Wash parsley, dab dry and pluck the leaves from the stalks.
Cut the pretzel breadstick in half lengthwise and crosswise. Spread the lower halves with mustard cream. Cover with sauerkraut, turkey breast and parsley.