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How to Make Yogurt (Easy Homemade Recipe)

October 20, 2020 by Katie Wells
Table of Contents[Hide][Show]
  • How to Make Yogurt: the Basic Process+−
    • Step 1: Choosing Your Milk
    • Step 2: Heating the Milk
    • Step 3: Cooling the milk
    • Step 4: Adding the Culture
    • Step 5: Incubating the Yogurt
  • How to Make Yogurt (Easy Homemade Recipe with or without Instant Pot)

Update: Since the original writing of this post, I acquired an Instant Pot with a yogurt making function. It makes yogurt-making a breeze and I can do a whole gallon at a time. For the most part, the process is the same as what’s listed below. In step three I leave the warmed milk in the Instant Pot instead of dividing it into smaller jars and in step five I put the bowl back into the Instant Pot for the incubation period.

When I started experimenting with the GAPS diet I noticed right away that eating yogurt was a big part of the diet and the process of regaining gut health.

I was super intimidated by making my own yogurt but after some initial research, I decided that it didn’t seem too hard and that I should just jump in and give it a try. I’m so glad that I did because the process was so easy and the results were wonderful.

During my research, I found that like most things, there are a million different ways to make homemade yogurt. You can order a starter or use a commercial yogurt as your starter. You can use a dehydrator, heating pad, crockpot, yogurt maker, or oven to act as your incubator.

I opted for the oven because I didn’t own a dehydrator and why get the Crock-Pot dirty when I can just throw the jars in the oven (I’m all about whatever gives me fewer dishes to wash)? I found that when I was doing the GAPS diet I was using canning jars quite a bit to store things in the fridge (bone broth, soup, sauerkraut, kimchi, etc.) so I decided that since I would more than likely be using canning jars to store my yogurt, I might as well just make it in the jars (again, less washing).

How to Make Yogurt: the Basic Process

Making your own yogurt at home is relatively easy as long as you follow these steps:

Step 1: Choosing Your Milk

First, choose your milk. This can be any kind of milk, but the more healthy your milk is the more healthy your yogurt will be. Raw milk is best, especially if following the GAPS protocol, but I didn’t have access to raw milk at the time I started making this. Instead, I used milk locally produced using a low pasteurization process that is non-homogenized, which means that I had that yummy layer of cream on top. You can also use goat’s milk.

Whatever milk you decide to use, make sure it is not ultra-pasteurized (the label of the milk will say whether it is ultra-pasteurized or homogenized). In order to get the most nutrition, I also opted for whole milk.

I typically begin by using a ½ gallon of milk. I don’t quite fill the jars all the way, so I end up using 2-quart jars and 1-pint jar.

Step 2: Heating the Milk

Put your milk in a stainless steel pan on the stove and heat over medium heat until it reaches 180°F. The first time I made my yogurt I only had a basic candy thermometer, so I had to really stay with it to watch the temperature.

More recently, I’ve purchased a digital quick read thermometer. This makes the whole process so much easier because you can set the temperature alert to 180°F and the alarm will go off when it reaches that temperature. This is also helpful later, during the incubation period.

Step 3: Cooling the milk

Once the milk reaches 180°F, pour it into the canning jars. Using a stainless steel wide-mouthed funnel made this easy to do, but just pouring from the pan or using a glass measuring cup works too.

The milk then needs to cool to 115°F. You can do this by either putting the milk in a cool water bath or just letting it sit on the counter, keeping a really good eye on it. I place the lids loosely on top of the jars to keep dirt out.

With my first batch, I used the cool water bath technique and it cooled down much sooner than I thought it would. At the time, I didn’t have a thermometer with an alarm to warn me that it had reached 115°F. Before I knew it, the yogurt was at 110°F and dropping and I flew into panic mode.

The yogurt still worked out, which just shows that it’s really hard to mess this process up and it doesn’t all have to be exact. The other thing you have to be careful of with the cool water bath is that if it’s too cool then you risk cracking the jars.

The second time I made a batch I was more patient and let it cool on its own on the countertop. It took longer but I wasn’t so stressed out from the quick temperature drop of the cool water bath.

Step 4: Adding the Culture

Once the milk has reached 115°F, you will add 2 tablespoons of pre-made yogurt to each quart of milk. The yogurt can come from either a previous batch (if you’ve already made some) or from store-bought yogurt. You can also use a store-bought yogurt culture, but using pre-made yogurt is easier and less expensive.

Personally, I use organic plain Greek yogurt for my starter. Stir lightly, just to incorporate the yogurt into the warm milk. Then, put the lids on the jars.

Step 5: Incubating the Yogurt

Once the culture has been added, it is ready to go into the oven to incubate (with the lids on). You want a fairly consistent temperature.

The first couple of times I made my yogurt I just used the 40-watt appliance light bulb that was in the oven. I found that the temperature was dropping lower than I wanted it to, so I would have to turn the oven on to heat it back up every couple of hours. I incubated it overnight and didn’t wake up to check the temperature or turn the oven on, but when I woke up in the morning the temperature was reading 100°F which is less than optimal incubation temperature (115°F would have been better).

Interestingly, it didn’t ruin my yogurt and it still came out really well. Again, it just goes to show that this method is hard to mess up (even with all of the mishaps during my first experiment). I have since (ok, my husband has) replaced our 40-watt bulb with a 60-watt bulb and it now holds the temperature closer to the optimal 115.

If the temperature goes above 115°F you run the risk of killing your culture. You may need to do some testing with your oven light to see what temperature it holds at when the light is on for a period of time and try 40-watt and 60-watt bulbs. The optimal incubation range is 95-115°F.

The yogurt needs to incubate for at least 10-12 hours. The GAPS protocol calls for a 24 hour incubation period in order for the majority of lactose to be consumed by the bacteria (this article does a great job explaining all of that). The longer it incubates, the more tangy the finished yogurt will be.

Important note: Just make sure not to forget that you are incubating yogurt in the oven and accidentally turn the oven on. My new digital quick read thermometer makes this less likely to happen. The thermometer probe goes into the oven sitting in one of the jars, while the digital display portion of it sits on top of my stove so that I can easily monitor the temperature of the yogurt. Seeing the digital display sitting on my stovetop keeps me from forgetting about the yogurt incubating in the oven and accidentally turning it on.

Once the yogurt is done incubating, refrigerate it to set the yogurt and just pour off the extra whey. The whey can be saved to use for other recipes, especially if you are following the GAPS protocol.

If you want a thicker yogurt then you can always strain off the remaining whey using cheesecloth. Personally, I’ve never been a fan of super thick yogurt so I found that I really enjoyed it just the way it was once the whey was poured off after the yogurt was refrigerated and set.

My favorite way to eat the yogurt is with local raw honey drizzled over it. It’s also really good in smoothies or added to soups.

How to Make Yogurt (Easy Homemade Recipe with or without Instant Pot)

Katie Wells
An easy method for making your own yogurt that only requires milk, starter yogurt, a thermometer, and a couple canning jars and lids!
4.43 from 54 votes
Print Recipe Pin Recipe
Prep Time 15 mins
Incubation Time 12 hrs
Total Time 1 d 1 hr 15 mins
Course Breakfast
Cuisine Fermented
Servings 16 servings
Calories 76 kcal

Equipment

  • Canning jars and lids: 2 quart size and 1 pint size
  • Heat source such as heating pad, oven light, slow cooker, or Instant Pot.

Ingredients
  

  • 8 cups milk (preferably raw whole milk)
  • 4 TBSP yogurt starter

Instructions
 

Oven Light Method

  • Heat the milk in a stainless steel pan on the stove over medium heat until it reaches 180°F.
  • Pour heated milk into clean canning jars and cool, either by sitting on the counter or in a cool water bath until the temperature drops to 115°F.
  • Use a clean whisk to mix the yogurt starter into the cooled milk.
  • Place the jars into the oven with the light on for 12-24 hours. The light should provide a consistent heat of about 110°F.
  • Put jars into the refrigerator until the yogurt is cold and set.
  • Once the yogurt is set you can pour off the liquid whey from the top or strain the yogurt using a cheesecloth for a thicker consistency.

Instant Pot Method

  • To heat the milk in the Instant Pot, press the yogurt button until the display reads boil.
  • When it beeps, check that the temperature is at least 180°F.
  • Cool the heated milk by either letting it sit on the counter or in a cool water bath in the sink until the temperature drops to 115°F.
  • Use a clean whisk to mix the yogurt starter into the cooled milk.
  • Return the inner pot to the Instant Pot and press the yogurt button until the display reads a number of hours.
  • Press the "+" or "-" button until the display reads the desired length of time. I like to incubate mine for at least 12 hours. Incubating for 24 hours will yield the tangiest yogurt with the least amount of lactose left. Do not incubate for longer than 24 hours or the probiotics will start to die off from lack of food.
  • Once the time is up, put the pot of yogurt into the refrigerator until the yogurt is cold and set.
  • Once the yogurt is set you can pour off the liquid whey from the top or strain the yogurt using a cheesecloth for a thicker consistency.
  • Enjoy!

Notes

For the yogurt starter, just use any plain yogurt with live active cultures.
If you'd like to make a smaller batch just use a ratio of 2 TBSP starter for each quart of milk. 
If you'd like to make a larger batch (such as using the Instant Pot to make a gallon) just double the ingredients listed.

Nutrition

Serving: 0.5cupCalories: 76kcalCarbohydrates: 6gProtein: 4gFat: 4gSaturated Fat: 2gCholesterol: 12mgSodium: 54mgPotassium: 165mgSugar: 6gVitamin A: 198IUCalcium: 141mgIron: 1mg
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Have you tried your hand at making your own yogurt? How did it turn out? What type of starter and milk did you use?

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Category: Breakfast Recipes, Recipes

About Katie Wells

Katie Wells, CTNC, MCHC, Founder and CEO of Wellness Mama and Co-Founder of Wellnesse, has a background in research, journalism, and nutrition. As a wife and mom of six, she turned to research and took health into her own hands to find answers to her health problems. WellnessMama.com is the culmination of her thousands of hours of research and all posts are medically reviewed and verified by the Wellness Mama research team. Katie is also the author of the bestselling books The Wellness Mama Cookbook and The Wellness Mama 5-Step Lifestyle Detox.

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Reader Interactions

Discussion (131 Comments)

  1. karen

    September 2, 2015 at 8:35 AM

    I do this too. You can set a washcloth in the bottom of the pan to keep the jars from chattering. Just be sure to use sturdy jars designed for canning, I have had mixed and messy results with pickle jars.

    Reply
  2. Terry

    September 2, 2015 at 6:50 AM

    5 stars
    I make yogurt with coconut milk using a starter from Cultures for Health. It makes very good yogurt. The only negative thing is that it can’t be used over and over as your starter for the next batch of your yogurt. You need to use the purchased starter from time to time. But it is great for those who need to stay away from dairy.

    Reply
    • Lisa

      September 6, 2015 at 3:56 PM

      I am trying to make a dairy free yogurt.
      What kind of coconut milk do you use?

      Reply
  3. Nicole

    September 2, 2015 at 4:25 AM

    Yes! Just made some in Monday. Am going to try to make it every week! How long does it usually last?

    If I “kill” my culture, how will I know? Will the yoghurt still set? But I won’t know I’m missing the benefits?

    Reply
  4. Carrie

    September 1, 2015 at 6:14 PM

    Great article! I’ve been making yogurt in mason jars for awhile now, but instead of heating up the milk in a pan, I just put the mason jars full of milk directly into a pan of water (only fill it about half way up the jars), basically like a hot water bath. Then once it reaches 180, I take the jars out and let them cool on the counter. It just makes for less handling and dishes!

    Reply
  5. elizabeth

    September 1, 2015 at 5:00 PM

    5 stars
    if you have thermoses handy (the wide mouth, soup totting ones, then just fill those with HOT water while you’re making the yogurt and cooling it… then pour off the water and pour in the yogurt (after you have stirred in the starter) then cover quickly and place on the counter until morning. this is truly THE easiest way to make it in my opinion! (if you made it before lunch, then you can open the yogurt at night and put it in the fridge (in a different container), or if you made it at night, just take care of it the next morning.

    Reply
    • Ingr

      September 1, 2015 at 7:13 PM

      Interesting! I dont have oven with light bulb, I want to try this method. I want to know how hot the water that you pour to the thermos? Is it booling hot water? After you pour out, do you need to dry the inside?

      Reply
  6. Julie Hays

    September 1, 2015 at 4:36 PM

    5 stars
    I make yogurt all the time. I use whole milk for thicker and creamier yogurt. I save a few tablespoons of my last batch in the freezer for starter for my next batch. I just get it out to thaw when I start heating up my milk. I leave mine in the pan to incubate and leave it sit out on the counter wrapped up in a few towels or blankets overnight to stay warm. In the morning, I put it in the fridge to cool completely before stirring or adding anything so it stays thicker. Sometimes I strain out extra whey so it is more like a Greek yogurt. Waaaay cheaper than buying at the store.

    Reply
    • mary

      December 20, 2015 at 11:46 AM

      Hi! Do you keep water in the pan while incubating with a towel wrapped around the whole thing?

      Reply
  7. Michelle

    September 1, 2015 at 4:09 PM

    Just curious, why you don’t make kefir instead?
    So much easier, no need to heat the milk.
    And you get many more strains of bacteria, and also strains of yeast.

    Reply
    • Wellness Mama

      September 1, 2015 at 4:57 PM

      I do. I just wanted to write about yogurt this time 😉 Here’s one of them: https://wellnessmama.com/54711/coconut-milk-kefir-recipe/

      Reply
    • Julia

      March 13, 2016 at 10:10 PM

      The truth is that you don’t need heat pasteurized milk either, t higher than in your room will just speed up fermentation. I inoculate my milk with 6 strains of bacteria. So the difference between yogurt and kefir is that they tastes differently. And you can make one you like more.

      Reply
  8. kirsten

    September 1, 2015 at 4:02 PM

    I have been making my yogurt with Meadow Gold whole milk that is stamped pasteurized and homogenized and it works fine. Other than the health benefits of raw milk, why not use the MG whole milk?

    Reply
  9. Brianna

    September 1, 2015 at 3:46 PM

    5 stars
    Hello, this sounds wonderful and I want to make some. I am confused about the oven light. I have a gas stove and its lowest temp is 170 degrees. When you talk about the light are you literally just turning the oven light on or the oven as well. Please help. Thank you!

    Reply
    • Wellness Mama

      September 1, 2015 at 5:01 PM

      *Just* the oven light, although if it not hot enough you can periodically turn on the oven to give it a little boost.

      Reply
    • larissa

      March 8, 2016 at 7:45 PM

      Hi, I am making my own yogurt for many years and I love it. I do not use an oven at all !
      I just cover the jar with layers of towels to keep the temperature on good level. If you do it at night, yogurt should be good at the next morning…..

      Reply
    • Lindie Kolver

      March 29, 2016 at 9:17 PM

      Larissa, Maybe I’m just stupid, but I was wondering the same thing. I either turn my Fan Forced oven on on 115° and if I want to SEE something in the oven, I turn on the light…duh (me …)

      Reply
    • Courtenay

      August 6, 2016 at 1:48 AM

      5 stars
      With a gas oven you could just use an appropriate wattage Incandescent bulb droplight. You could also make an incubator from foam insulation panels and duct tape and experiment with different incandescent bulbs for the right heat.

      Reply
  10. Elizabeth

    September 1, 2015 at 3:11 PM

    I love making yogurt! It took a lot of trial and error for me and I do it a little differently but that thermometer looks like a great idea!! I am always worried I will miss the right temp!

    Reply
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