Homemade Crockpot Ketchup

Homemade Ketchup

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This ketchup is one of the ingredients in Last Minute Meatballs, a new favorite around the Yankee Homestead.

We actually went without ketchup for many months, using guacamole, hummus and mustards when we needed a condiment for dipping or spreading.  When I came across this recipe, I just had to try it!

[Most ketchups contain high fructose corn syrup and/or other nasty ingredients, which is why we try to avoid it.]

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Um, not really.

Personally, I don’t love this homemade ketchup.  However, Mr. Native Texan really likes it and even Older Brother will eat it under certain circumstances. [He actually asked for it last night, to add to his hamburger.]  It’s also been helpful for recipes that call for ketchup, and I’ve combined it with other sauces to invent new ones.  For example, the author of the original recipe uses it to make BBQ sauce.

Keep in mind that if you’re switching directly from Heinz to this ketchup, it’s likely to disappoint. 🙂 It’s OK.  It takes time to get to the point where you’re willing to avoid certain foods and ingredients at any cost…I think what helped us was going for so long without any ketchup at all.  By the time I found this, we were thankful to have it.

(Boy, what a way to introduce a recipe!)

The good thing is that this ketchup is super-easy to make!  It’s also easy to store the excess in the freezer until you need it.

While preparing or serving this ketchup, try out this joke on whomever is nearby.  It’s one of Older Brother’s favorites. 🙂

Q:  A cabbage, a faucet and a tomato had a race.  How did it go?
A:  The cabbage was ahead, the faucet is still running and the tomato tried to “ketchup.”


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Homemade Crockpot Ketchup


  • 3½ cups homemade tomato puree
  • about 1/2 cup onion, chopped
  • about 1/3 cup apple cider vinegar
  • liquid stevia, to taste (I use about 2 full-ish droppers)


  • ½ tsp. ground mustard
  • ¼ tsp. allspice
  • ¼ tsp. cinnamon
  • ¼ tsp. mace
  • ¼ tsp. ginger
  • ¼ tsp. ground cloves
  • ¼ tsp. Cayenne pepper
  • unrefined sea salt, to taste
  • ground black pepper, to taste


  1. Place all ingredients in a 3 or 4 quart crockpot and stir well.
  2. Cook on high for about 2 hours, stirring every now and then.
  3. Use an immersion blender to puree into a smooth mixture.  (Please be very careful!  The mixture will be very hot and very red.  We don’t want any burns or stains…)  You can also use a blender or food processor for this step.
  4. After pureeing, cook the mixture on high for 30-60 minutes, uncovered.  Stir every now and then.
  5. When the mixture reaches your desired consistency, turn off the crockpot and allow it to cool.
  6. I like to store my ketchup in small glass jars, placing one in the fridge and the others in the freezer.  The recipe yields about 4 cups.


Homemade Ketchup
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Kathleen Henderson

Let's get real! I’m Kathleen Henderson, your Natural Living Mentor. I’m on a mission to help families see the joy in real food, while finding natural remedies and creating a nontoxic home. Learn more about my story >>


  1. Amy @ Simply Sugar & Gluten-Free on 03/25/2013 at 6:01 pm

    So glad you like the ketchup! I love this recipe. Thanks so much for sharing your version and for the shout out.

    Hugs to you!

    • Kathleen on 03/25/2013 at 6:45 pm

      Thanks for stopping by, Amy! And thanks so much for this recipe.

  2. Heather on 05/07/2013 at 12:37 am

    We love it! I made it today, and everyone approved. I read the recipe wrong and bought organic tomato paste, so I had to water down tomato paste instead of using the puree, but it worked perfectly even without the onion and black pepper. Thank you for bringing ketchup into our home once more!

    • Kathleen on 05/11/2013 at 6:09 pm

      Hooray for ketchup! Glad it turned out well. 🙂

  3. Cathryn on 10/03/2014 at 4:53 am

    Hello, I think your site might be having browser compatibility
    issues. When I look at your blog site in Firefox, it looks fine but when opening in Internet
    Explorer, it has some overlapping. I just wanted to give you a
    quick heads up! Other then that, very good blog!

  4. april on 05/26/2017 at 7:03 pm

    I’m excited to try this recipe! I’ve been looking for a good ketchup recipe for the summer and am very glad to be able to do it in the crockpot! Less work and heat in my house at summer kicks off! Thanks!

    • Kathleen on 05/30/2017 at 10:30 am

      Enjoy! Let us know how it turns out…

  5. Sharon on 05/31/2017 at 9:19 pm

    This was a hit, put it in a washed out ketchup container, teenagers can be a challenge with something new, no comments and used eagerly. Thanks for the recipe. Been making homemade tomatoe sauces but hadn’t tried ketchup yet.

    • Kathleen on 05/31/2017 at 9:30 pm


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