Kashk substitute

Substitutes for Kashk with ratios

1. 2Greek yogurt thinned and salted with lemon

   Different taste

   Use ½ cup Greek yogurt + 1 tbsp water + 2 tsp lemon juice + ¼ tsp salt for every ½ cup kashk

   The version most people can make right now from what is in the fridge, and a genuinely decent one as long as you do not skip the salt.

   What changes

   Best for

   kashk-e bademjan, ash reshteh, kashk-e badoomjoon drizzle, quick swaps

   Tangier and cleaner than kashk, so the dish tastes bright and yogurt-forward rather than deep and cheesy. Stir it in off the heat and drizzle the rest on cold, because thin yogurt splits into grains if it boils. Whisk it smooth first; Greek yogurt stirred lazily leaves lumps that look wrong on top of a dip.

2. 3Feta whisked smooth with water

   Different texture

   Use ⅓ cup feta mashed with 3 tbsp water + 1 tsp lemon juice for every ½ cup kashk

   The best match for kashk's specific savoury sharpness, since brined sheep or goat feta is fermented, salty and funky in the same direction.

   What changes

   Best for

   kashk-e bademjan, drizzling, eggplant dips, roast vegetables

   Sharper and saltier than the sour cream version and much closer to the real thing in flavour. The catch is texture: mashed feta is grainy where kashk is silky, so blend it or press it through a fine sieve. Add no extra salt at all, and taste your eggplant before seasoning it.

3. 4Labneh or strained yogurt with salt and a little feta

   Close match

   Use ⅓ cup labneh + 2 tbsp water + 1 tbsp mashed feta + ¼ tsp salt for every ½ cup kashk

   Thicker and richer than the yogurt version, which makes it the best choice for the spoonfuls you swirl over the top at the end.

   What changes

   Best for

   kashk-e bademjan, garnishing, dips, flatbread spreads

   Holds its shape in a swirl instead of running into the eggplant, which is exactly what you want for the finishing drizzle. Slightly less sour than kashk and much richer, so use a little less than the recipe says and let the lemon do the work.

4. 5Sour cream plus a small amount of grated pecorino or parmesan

   Close match

   Use ½ cup sour cream + 1 tbsp finely grated pecorino + 1 tsp lemon juice for every ½ cup kashk

   An unlikely combination that works, because aged hard cheese contributes exactly the savoury depth that plain dairy is missing.

   What changes

   Best for

   kashk-e bademjan, soups, when there is no feta in the house

   Keep it under a tablespoon or the dish starts tasting faintly Italian, and grate it as finely as you can so it dissolves rather than sitting in shreds. Surprisingly convincing at the right dose, and it needs no added salt since the cheese brings plenty.

5. 6Qurut or dried yogurt balls from a Middle Eastern grocer

   Close match

   Soak 2 dried balls in ⅓ cup warm water for 30 minutes, then mash smooth, for ½ cup kashk

   The same family of product under other names, sold in Afghan, Central Asian and Turkish shops when the Iranian jars are not available.

   What changes

   Best for

   kashk-e bademjan, ash reshteh, dumplings, soups

   Essentially the real thing and often cheaper. Soak thoroughly, then blend or press through a sieve, since unsoaked lumps never fully dissolve. Be careful with the Levantine word kishk, which usually means a dry powder of fermented bulgur and yogurt: that is a soup base, not a drizzle, and it will make a gritty porridge if you use it here.

6. 7Plain unsalted yogurt on its own, which genuinely does not work

   Different taste

   Not recommended

   Listed because it is the swap most recipes suggest and the one that reliably disappoints.

   What changes

   Best for

   nothing, without salt and acid added

   It looks exactly right on the plate and tastes of almost nothing against sweet fried eggplant and caramelised onions, because you have replaced a salty fermented seasoning with a mild creamy one. Two minutes with salt, lemon and a little feta turns it into one of the good options above, so do that instead.