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This keto sugar free ketchup is made in minutes with just 3 main ingredients plus spices. It’s perfect for burgers, hot dogs, low carb fries, and more!
Ketchup is an important part of so many classic American foods.
Who doesn’t enjoy this condiment with their hot dogs, burgers, or fries? Before I was eating low carb, I used to love these meals!
Now, I’m much more conscious about the impact that food has on my health. I still enjoy these classic combinations, but in ways that are much better for me.
That’s why I love making this homemade sugar free ketchup!
It’s perfect for dipping my jicama fries or to slather onto one of my eggplant burgers on a keto buns. And I can enjoy it all without the guilt.
This keto ketchup recipe is incredibly simple. Just cook all the ingredients in a saucepan for about 15 minutes, blend with an immersion blender, then keep cooking for another 5 to 10 minutes. It really couldn’t be easier!
And your homemade ketchup will stay fresh in the refrigerator for up to 2 weeks so you can have it ready to enjoy any time.
How to make keto ketchup
Ready to see just how easy it is to make low carb, sugar free ketchup right at home?
- In a saucepan, combine the tomatoes, tomato paste, apple cider vinegar and spices.
- Cook over low heat, stirring regularly, for 10 to 15 minutes.
- Using a stick blender (immersion blender), purée the mixture in the sauce pan. You want to break up the whole tomatoes so your ketchup has a smooth consistency.
- Add sea salt and optional sweetener to taste. Continue cooking over low heat, stirring regularly, until the sauce thickens, about 5 to 10 minutes.
- Cool and transfer to an airtight container.
If you have the ingredients on hand, you can throw together this condiment in a matter of minutes!
Carbs in sugar free ketchup
This keto ketchup recipe is much lower in carbs than regular ketchup you’ll find at the store or in a restaurant.
Did you know that 2 tablespoons of Heinz ketchup has 10 grams of carbs, 8 grams of sugar, and no fiber?
My sugar free ketchup, on the other hand, only has 1 net carb and 1 gram of sugar per 2 tablespoons. So you can enjoy this recipe without having to worry.
Of course, if you’re serving it alongside low carb buns and a side, you still want to pay attention to serving size. Two tablespoons may seem like a lot, but it’s easy to add more than one serving.
Just be sure to factor in the carbs from the rest of your meal. Then you should be just fine!
Why you shouldn’t have regular ketchup
It’s easy to think that just a little bit of regular ketchup won’t hurt. The problem is that it’s also very easy to overdo it.
As I mentioned above, the carbs in ketchup are pretty high per serving. And on top of that, regular ketchup contains both sugar and high fructose corn syrup.
Together, these ingredients can easily spike your blood sugar and knock you out of ketosis.
That’s why it’s best to make your own!
Substitutes for ketchup on keto
There are a few brands that do make low carb ketchups without any added sugar. G Hughes, Alterna Sweets, and Primal Kitchen are all good brands to look at.
You can also substitute ketchup with other condiments that are more keto friendly.
Mustard, for example, doesn’t have any net carbs. I personally love mustard on a hot dog or burger!
Another great tomato based sauce is my low carb BBQ sauce. It’s just as easy to make, but incorporates that smoky flavor we all love.
More recipes to try
Looking for more homemade keto sauces, condiments, or even salad dressings? Check out a few of these favorites:
- Low Carb Pizza Sauce is sugar free and perfect for dipping low carb cheesy bread or as the sauce for your homemade pizza!
- Keto Alfredo Sauce is an easy, low carb cream cheese sauce that’s amazing over zoodles or low carb pasta.
- Keto Cheese Sauce is great for dipping your favorite veggies or drizzling over low carb tacos!
- Blue Cheese Vinaigrette is a flavorful dressing made with balsamic vinegar that livens up any salad.
- Keto Gravy is a staple recipe that doesn’t use any flour thickeners and adds rich flavor to any roasted meat!
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Homemade Sugar Free Ketchup
Recipe Video (Click on Image to Play)
Ingredients
- 28 ounces canned whole tomatoes drained
- 2.5 ounces tomato paste 70 grams
- 1 tablespoon apple cider vinegar
- 1/4 teaspoon garlic powder
- 1/4 teaspoon onion powder
- 1/4 teaspoon ground cloves
- 1/8 teaspoon ground allspice
- 1/8 teaspoon ground cinnamon
- 1/8 teaspoon spanish paprika
- 1/4 teaspoon sea salt crystals or to taste
- 1 tablespoon Sukrin Gold optional
Instructions
- In a sauce pan over low heat, pour tomatoes, tomato paste, apple cider vinegar and spices. Stirring regularly for 10 to 15 minutes.
- Using a stick blender (immersion blender), purée whole tomatoes. Add sea salt to taste and opt to add Sukrin Gold. Continue over low heat and stir regularly until sauce thickens, about 5 to 10 minutes.
- Cool and transfer in an airtight container. Store in the refrigerator for 1 to 2 weeks.
Notes
Low Carb Sweeteners | Keto Sweetener Conversion Chart
Nutrition
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Note on Nutritional Information
Nutritional information for the recipe is provided as a courtesy and is approximate only. We cannot guarantee the accuracy of the nutritional information given for any recipe on this site. Erythritol carbs are not included in carb counts as it has been shown not to impact blood sugar. Net carbs are the total carbs minus fiber.
Unauthorized use of this material without written permission from Lisa MarcAurele is strictly prohibited unless for personal offline purposes.
Single photos may be used, provided that full credit is given to LowCarbYum.com along with a link back to the original content.
First Published: June 18, 2018… Last Updated: May 20, 2020
Maria Tran
Ketchup is very delicious.
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Nancy
Your ketchup recipe is delicious! Thanks for sharing.
Cindy
Could I use fresh tomatoes and it’ll still work?
Lisa MarcAurele
You can. You’ll just want to skin them and remove the seeds.
Jennifer
I just made this today! It is delicious! I substituted honey to taste. It is definitely a keeper. I just shared it on FaceBook and with my GF.
Lisa MarcAurele
So glad you enjoyed the homemade ketchup. Thanks for sharing!
Nancy
Your ketchup recipe looks very good.
You may or may not know the lots of “sugar-free” treats & substitutes using Sugar Alcohol which most times is actually derived from Lactose causing those of us with lactose intolerance severe problems. I have emailed the Sukrin company to find out if there is any Lactose in there sugar free formula made from corn. If it is there is hope for us with a Lactose problem.
Lisa MarcAurele
I wasn’t aware of that. I didn’t think erythritol was derived from lactose which is what Sukrin and other popular sweeteners use.
Mike
Hey just so you know sugar alcohol is actually still very bad for you and just has a slower secretion time. It can and very much will raise blood sugar levels. Just fyi.
Honestly anything that is refined or processed is not good for you. Let alone not going to work on keto or to lower blood sugar levels.
I do appreciate the fact you mentioned it’s optional in your recipe and I don’t mean to accuse you of this but I get the feeling sites like yours and others advertise these different alternative sweeteners because you get paid to.
I Google no sugar recipes and I’m always hit with sugar-free psych I just use a corn based alternative sweetener. Honestly I don’t know how you could honestly think it’s any better for you.
Here check out some sites for some cool info you might like
https://medium.com/@drjasonfung/unf-yourself-type-2-diabetes-edition-d9332c42d38c
https://idmprogram.com/carbohydrates-faulty-gi-index-idm-2-2/
Lisa MarcAurele
That’s exactly why I prefer using stevia and monk fruit extract sweeteners which have no erythritol.
Shannon Morris
I’m a little curious as to why you’d lump all sugar alcohols into one. We (in the keto community) are very meticulous about which sugar alcohols do what, and sukrin (erythritol) has the lowest if them all at virtually zero. Now if you’re referring to maltitol or sorbitol I’d say you’re correct, but again every veteran low carber already knows to avoid them except for very isolated occasions. Not only are sugar alcohols naturally existant in fruits already, but in moderation they (especially erythritol & xylitol) are the reason I and so many didn’t h
ave to cheat, were able to lose significantly (in my case, all 45lbs of goal loss in 9 weeks), kept off for over 3 years and eliminate dependence on sugar of any kind. They’re definitely not a one size fits all group so please avoid generalizing
Lisa MarcAurele
Erythritol typically has no impact, but you do need to be careful with other sugar alcohols including xylitol.
Kara
Can I use pure stevia powder or liquid stevia instead of Sukrin? I’ve been spending so much money lately just trying to consume good proteins and buying the special ingredients, and one of the special things I have is organic stevia blended with Erythritol. Would that be okay? Would I use the same amount?
Lisa MarcAurele
Any sweetener works in the recipe so choose the one that you prefer.
Erin
This is delicious!!!! Great recipe. Do you think it could be frozen?? I don’t want to waste any of it!!!
Lisa MarcAurele
I don’t see why it couldn’t be frozen. That’s a great way to keep it fresh much longer!
Summer
I love this homemade recipe because it has so much less salt than store bought ketchup!
This recipe is so creative! Thank you for sharing. ?
Lisa MarcAurele
You’re welcome!
Jaweriya
This is a brilliant recipe – I am definitely going to try it. ?
Maria
I made this tonight for burgers and fries. it doesn’t really taste like storebought ketchup, but it is really good! Much stronger flavor, and the tomato really shines through. I liked it a lot, especially how quick it was to make.nice sharing. thanks for the recipe. good one.?
Lily
Thanks for sharing the secret recipe with us. The tomato ketchup recipe looks thick and flavorful with those lovely ingredients. It sounds wonderful. It would be helpful for everybody, who would like to cook tomato ketchup recipe. As usual, the pictures look stunning.
Thanks a lot! I love simple recipes so much ?
How long does this last? Can it be made ahead?
Lisa
It’s definitely good to make ahead. Mine lasts for at least a couple weeks.
Valerie
I want to try to make this all from my garden… just cook longer not having tomato paste??
Lisa
It should work if you are cooking longer to reduce liquid.
Rozella Portes
What can you do if you don’t have an immersion blender
Lisa MarcAurele
You can purée in batches in a regular blender.
Brenda
Thank you for your wonderful recipes. They have made a low card diet easy for me to follow. This recipe is cooked and now cooling. It tastes wonderful and I followed your recipe exactly except I could not locate seedless whole tomatoes. Your site is my go-to for recipes. Thank you for sharing your methods and brands-it has expanded my pantry but they have been worth the space they take up.
Lisa
My pleasure Brenda! Thanks for being a loyal fan!
Sherry
By “seeded” tomatoes…do you mean wth the seeds removed?
Lisa
Yes. There’s no seeds.
peter
By “seeded” tomatoes…do you mean wth the seeds removed?
Lisa MarcAurele
Yes. They should be unseeded.
Mimi A
Would it be possible to can this?
Lisa
It should be okay.
Linda
What is Sukrin gold?
Lisa
It’s a low carb brown sugar sweetener. You can learn more about it at Sukrin USA.
Katrina
Could you just leave the sugar out completely.
Lisa
You can. It just enhances the flavor but isn’t necessary as there is natural sugar in tomatoes.
Cici
Searching high and low for the button to share the post to Pinterest. Am I missing It?
Lisa
They should be back now. A software update wiped out the settings.