What is
- It is a dish of seasoned, strained or diluted yogurt, eaten throughout the former Ottoman countries.
- It is similar to tarator in Balkan cuisine.
- It is made of salted strained yogurt or diluted yogurt mixed with cucumbers, garlic, salt, olive oil, sometimes with vinegar or lemon juice, and some herbs like dill, mint, parsley, thyme etc.
  
Quark is a type of fresh dairy product, common for the cuisines of German-speaking countries made by warming soured milk until the desired degree of coagulation (denaturation, curdling) of milk proteins is met, and then strained.