Are Lor and Çökelek the Same Thing?

The Short Answer: Two Different Turkish Dairy Products

Lor and çökelek sit side by side in Turkish delis and look nearly identical: both are white, crumbly, low-fat dairy products. But they don't start from the same raw material. Lor is made by heating the whey left over from cheese production, while çökelek comes from heating soured buttermilk or skimmed milk until it curdles.

That single difference in starting material shapes everything else about the two products, from texture to how they're preserved and used in cooking.

Different Starting Points: Whey vs. Buttermilk

Lor's raw material is the whey strained off during the production of cheeses like kaşar or beyaz peynir. That liquid is heated to around 90°C in a kettle, curd particles begin to form, and the curd is strained through cloth to become lor.

Çökelek takes a different route: it's the curd that forms when de-fatted buttermilk (ayran) is heated. So lor is a byproduct of cheesemaking, while çökelek comes from what's left after butter or ayran production.

Why Heat Works Differently: Casein vs. Whey Protein

About 80 percent of cow's milk protein is casein, and casein doesn't coagulate with heat alone — that's why cheesemaking relies on rennet or acid. Whey protein behaves the opposite way and does coagulate under heat, which is exactly why lor can be made simply by heating whey.

Çökelek works through a related but distinct mechanism: the buttermilk is already acidified, and heat speeds up the collapse of the already-weakened casein structure in that soured liquid.

A Familiar Technique Worldwide: Lor and Ricotta

Heating whey to make cheese isn't unique to Turkey. Italian ricotta is made almost the same way: whey is left to acidify, then heated close to boiling, and the combination of low pH and high heat causes the protein to curdle. The word ricotta itself means recooked in Italian, a nod to this method.

Similar whey cheeses exist elsewhere too — recuite in France, mascarpa in Switzerland, urdă in Romania, requesón in Spain. Çökelek doesn't have this kind of international family, since it's built on buttermilk rather than whey.

In the Kitchen: Which One to Use

Fresh lor is usually eaten on its own as a snack or light bite, sometimes fried, and its mild, soft character makes it a common filling for pastries and desserts.

Çökelek has a sharper, tangier flavor, which is why it turns up in savory dishes like çökelekli pide and at the breakfast table. As a rule of thumb: reach for lor when you want a neutral, soft filling, and for çökelek when you want a tangier, more assertive one.