Homemade Quark from Slow Cook Modern

October 18, 2017(updated on August 30, 2021)

About a month ago, I wrote about Liana Krissoff’s most excellent book, Slow Cook Modern. In that blog post, I promised to share the recipe it contained for homemade quark. I finally here to make good on my promise (I’m only a bit later than intended).

I know that some of you are probably reading this and are thinking, what exactly is quark? Well, it’s a soft set cheese of European origin that is made with acid rather than rennet. It has a bright, tangy flavor and can be cooked, baked, or spread on toast.

It’s also one of those things that seems like it should be quite complicated to make, but is quite easy (particularly if you have a slow cooker or Instant Pot handy).

You start with half a gallon of cultured buttermilk (this is the nice, thick stuff you buy at the store, not the liquid leftover from making butter). Once you’ve procured your buttermilk, you pour it into the vessel of your choosing.

I opted for my Instant Pot set to run on the yogurt setting (I borrowed a tip I spotted on the internet and ran the pot at high pressure for 1 minute with a little water in it before adding the buttermilk, to sterilize the pot and ensure that the quark turned out well). Once the buttermilk was in the pot, I set the yogurt setting to run for 8 hours and walked away.

When the time was up, it was time to separate the cheese curds from the remaining liquid. I lined a fine mesh sieve with cheesecloth, perched it above a bowl, and used a slotted spoon to lift the solids out of the pot.

Once all the cheese solids were in the cheesecloth, I let it drain. It was evening when I started the draining process, so I ended up letting my quark sit and drain all night. I ended up with fairly dry cheese as a result. If you want something a bit more tender, shorten that draining process.

I ate the finished cheese on toasted rye bread, and heaped on slices of cucumber. It was a tasty treat that I will most certainly make again!

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Homemade Quark from Slow Cook Modern


  • 1/2 gallon 2 L cultured buttermilk, full-fat or low-fat


  • Pour the buttermilk into the slow cooker. Cover and turn the cooker to the warm or keep-warm setting (or the yogurt setting at "normal" on an Instant Pot).
  • The buttermilk will separate into a creamy top layer about the thickness of Greek yogurt (but fluffier in texture) and a watery bottom layer and will be firm and just warm to the touch in the center. This will take 2 to 8 hours, depending on your cooker.
  • Put a sieve or colander over a bowl and line it with four layers of rinsed and squeezed cheesecloth and use a slotted spoon or skimmer to gently spoon the creamy top layer in, leaving the watery whey behind.
  • Let drain at room temperature for 2 to 4 hours, then transfer to a sealable container and refrigerate for up to 1 week.


Recipe reprinted with permission from Slow Cooker Modern by Liana Krissoff.

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18 thoughts on "Homemade Quark from Slow Cook Modern"

    1. I think it would work halved. You might use a smaller slow cooker in that case, to ensure that it doesn’t heat too quickly.

  • I presume you need to use the ‘pure’ buttermilk, not what most buttermilk in the store looks like now with carrageenan and a host of other thickeners and additives. I found a good one at my Sprouts store that besides the milk only had salt. Now I found one at Walmart called ‘Marburger Gourmet Buttermilk’ that is the cultured milk, salt and annatto color, although tell me why they need color in buttermilk. Annatto has been known to cause an allergic reaction in some people, but we’ve never had a problem with using this buttermilk. I make this comment because sometimes it is hard to find really good buttermilk, which is what I presume you’d want for this recipe.

  • Hello! This is a very popular dairy product in Russia. We eat it garnished with jam as a snack, we fry it to get quark pancakes (mixed with raisins, eggs and flour) or bake in a dish to get tasty dessert.

  • Trying this tonight! I had Quark in Germany and can’t find a good version here. I found Kalona Organic Cultured buttermilk at my local market. It makes fabulous pancakes. Can’t wait to eat my Quark made from it!

  • I’m so glad I found this my mom uses it to make an old family German cheesecake. I’m going to make her a batch for her next cheesecake

  • I doubled (1 gallon) the recipe, programmed my Instant pot to the yogurt setting on normal and it went automatically to 10 hours. After time was up I poured it into a cheesecloth. Was all liquid, no separation. No quark, so dissapointed.What happened? Was it because I double the buttermilk?