Labne and Vegetable Sandwich Labne or Lebnah, Labneh, Labni (Strained yogurt) and vegetable sandwich, is a delicious Lebanese sandwich that is quick to make (less than 5 minutes).Labne which is made by draining whey from plain yogurt in a thick cotton cloth (overnight) has a distinctive sour taste like yogurt and it looks like white cheese.It is spread (like cheese) on a pita bread or saj bread