{diy project} Milk Kefir

Recently, I came across a fellow food swapper who had milk kefir grains, and was in search of water kefir grains. I had water kefir grains, and was excited to try milk kefir. A happy swap was born!

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Like water kefir, milk kefir is fermented at room temperature, so it is easier to make than other fermented foods that need to be heated like yogurt. In addition, swapping homemade milk kefir for store-bought yogurt saves money.  Milk kefir grains, which look like tiny heads of cauliflower, feed on the lactose in milk.

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Milk kefir is actually easier to make than water kefir, provided you have milk in your fridge.

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DIY PROJECT: MILK KEFIR

The process for making milk kefir is as follows:

  1. In a glass jar, combine one pint of milk and one tablespoon of milk kefir grains. You can use any kind of milk you want, though I like to use organic or local milk that I know won’t contain growth hormones or antibiotics. Whole milk is recommended, as skim milk can weaken the grains over time, though I have had success with skim milk as well.
  2. Cover the jar with a paper towel and rubber band, and leave the grains at room temperature for roughly 24-48 hours (the optimal time will depend on your kitchen temperature, humidity, and grains to milk ratio). The kefir should be strained before the curds and whey begin to separate if you want it to be thick but still slightly sweet. This can be tricky, as the ferment time can vary each time you make it. I keep an eye out for the beginning of separation at the bottom of my jar, and I strain the kefir then.
  3. Strain the kefir using a plastic strainer (you may have to help the kefir through by stirring, as it will be thick), and place the kefir grains in a new glass jar with fresh milk. The grains do not need to be washed.
  4. Place the strained kefir into a glass jar with a tightened lid, and store it in the fridge. I like to add a tablespoon or so of maple syrup to sweeten the kefir and drink it as is. It can also be added to fruit smoothies, or used as you would plain yogurt or buttermilk in recipes. I find that the kefir gets a bite to it (sour and fizzy) after a few days, so I try to use it in less than a week. Once your grains have multiplied (milk grains do this quicker than water grains), share them with a friend!

FOR MORE INFORMATION: Cultures for Health is a good source for more information about milk kefir.
FOR MORE INFORMATION ON WATER KEFIR, SEE MY FEBRUARY POST!

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Categories: DIY, Drinks, Fermentation, recipe

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10 Comments on “{diy project} Milk Kefir”

  1. Jessica R
    February 18, 2013 at 11:45 am #

    Hi Betsy! After seeing this at the swap a few times, I’m getting interested. My previous yogurt making attempts all failed, I think because I didn’t heat the milk correctly. Anyway, just to be clear, is this is typo, “In a glass jar, combine one pint of water and one tablespoon of milk kefir grains.” Is it supposed to say,” combine one pint of milk”….
    Thanks! It was nice to meet you yesterday at the swap! I hope you enjoyed the quinoa!

    • BETSY
      February 18, 2013 at 12:32 pm #

      Yes, thanks for catching that typo – nice to meet you at the swap too!

  2. February 19, 2013 at 5:23 pm #

    Hi Betsy! Just started using Kefir myself- I put it in smoothies, what recipes do you use it in? It’s great with Goats milk too, as I have a weird reaction with normal dairy! Great post. Anna.

  3. February 22, 2013 at 1:53 pm #

    Betsy, I’ve been enjoying your grains… I’m envious of your strainer! Can you tell me where you got that lovely little yellow thing?

    • BETSY
      February 22, 2013 at 3:09 pm #

      It was given to me, so I don’t know where it’s from – sorry!

      • February 25, 2013 at 11:42 am #

        Thanks anyway! I found a nifty canning funnel on Amazon that is stainless steel and has a removeable silicone strainer in the bottom. I have such a hard time getting the milk protiens off my mesh strainers.. I think this will work out great!

  4. March 31, 2013 at 1:50 pm #

    Wow, this is great! How creative!

  5. Robin
    October 2, 2014 at 2:03 pm #

    Hi Betsy. I’ve been trying to make kefir, but each time I make it, even after only 24 hours on the counter, it the milk smells sour not like the kind from the store (which smells like yogurt to me). Is there a big difference in taste and smell between homemade and store-bought kefir? Do you have any other suggestions or could mt grains be bad?

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