kefir grains

Using kefir grains to make your own kefir at home is a straightforward process. Kefir grains are live cultures of bacteria and yeast that ferment milk to produce kefir. Here’s a step-by-step guide on how to use kefir grains:

Ingredients and Equipment

  1. Kefir grains: Obtain fresh, active kefir grains from a reliable source.
  2. Milk: Use cow, goat, or sheep milk. Whole milk is often recommended, but you can use lower-fat options if preferred.
  3. Glass jar: A quart-size glass jar is ideal.
  4. Plastic or wooden spoon: Avoid metal utensils as they can react with the kefir grains.
  5. Plastic or stainless steel strainer: For straining the kefir.
  6. Breathable cover: Use a coffee filter, paper towel, or cloth secured with a rubber band.

Step-by-Step Instructions

  1. Prepare the Jar
    • Place the kefir grains into the glass jar. Generally, 1 to 2 tablespoons of grains are sufficient for 1 quart (4 cups) of milk.
  2. Add Milk
    • Pour the milk into the jar over the kefir grains. Leave some space at the top of the jar for the milk to expand as it ferments.
  3. Cover the Jar
    • Cover the jar with a breathable cover such as a coffee filter or a clean cloth. Secure it with a rubber band to keep dust and insects out whilst allowing airflow.
  4. Fermentation Process
    • Place the jar in a warm, dark place at room temperature (68-78°F or 20-25°C) for 24 to 48 hours. The fermentation time can vary depending on the room temperature and your taste preference. A longer fermentation will produce a thicker, tangier kefir.
  5. Check the Kefir
    • After 24 hours, check the kefir by gently stirring the mixture. It should start to thicken and have a tangy aroma. If you prefer a stronger flavour, let it ferment for up to 48 hours.
  6. Strain the Kefir
    • Place a plastic or stainless steel strainer over a clean bowl. Pour the kefir through the strainer to separate the grains from the liquid. Use a plastic or wooden spoon to help the liquid pass through if needed.
  7. Store the Kefir
    • Transfer the strained kefir into a clean glass jar. Seal it with a lid and store it in the refrigerator. Kefir can be consumed immediately or chilled for a few hours to improve the taste. It can be kept in the refrigerator for up to a week.
  8. Repeat the Process
    • Place the kefir grains back into the original jar (or a clean one if you prefer) and add fresh milk to start the process again. The grains will continue to grow and multiply, so you can share them with friends or store them for future use.

Tips and Tricks

  • Adjusting Fermentation Time: If you prefer a milder kefir, reduce the fermentation time. For a thicker, more tangy kefir, extend the fermentation.
  • Grain Maintenance: Rinse the kefir grains with filtered water every few batches to keep them healthy. Avoid using chlorinated water as it can harm the grains. Consider a water purifier or distiller instead.
  • Resting the Grains: If you need to take a break from making kefir, place the grains in a small amount of milk and store them in the refrigerator for up to a week. For longer storage, you can freeze the grains in a small amount of milk.
  • Using Alternative Milks: While traditional kefir is made with dairy milk, you can use kefir grains to ferment non-dairy alternatives like coconut milk, almond milk, or soy milk. Note that the grains might not grow as well in non-dairy milk, so it’s a good idea to occasionally refresh them in dairy milk.


Using these simple kefir grains to make your own kefir is a simple and rewarding process. With just a few ingredients and some basic equipment, you can enjoy fresh, homemade kefir that’s rich in probiotics and beneficial nutrients. Whether you drink it on its own, blend it into smoothies, or use it in recipes, homemade kefir is a delicious and healthful addition to your diet.

Earn 2 Percent Zilch Rewards Buying Kefir Grains at Amazon

Amazon is a listed merchant with Zilch, which means that when you buy your kefir grains through Amazon, you can also earn 2 percent in Zilch rewards.

  1. Join Zilch.
  2. Verify your ID and add your debit card details.
  3. To earn your free fiver (500 Zilch reward points), make your first tap & pay (contactless) payment anywhere in-store.
  4. Visit the Zilch website or download the Zilch app and search ‘Amazon’ in merchants.
  5. To earn 2% Zilch rewards, choose ‘pay now’.
  6. Enable your card and you’ll be immediately taken to the Amazon website.
  7. Make your purchase within two hours by paying with your Zilch virtual Mastercard and earn 2% in Zilch rewards.
  8. If you prefer to use your 500 free Zilch rewards against your Amazon purchase, then click beside ‘Rewards balance, discount your next purchase’.


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