Keto Ketchup

This keto ketchup is a low carb way to enjoy ketchup with your favorite meals! This homemade sugar free ketchup uses simple ingredients and tastes BETTER than traditional versions! 1 gram net carbs per serving.

When it comes to making my own keto pantry staples, I love making tortillas, crackers, and this easy keto ketchup. 

keto ketchup

Growing up, I was that kind of kid that wouldn’t eat his dinner unless there was ketchup on the dining table. To my narrow mind, if a dinner wasn’t covered in ketchup, I wouldn’t find it palatable. Whether it be a quiche, some stuffed peppers, or even a lasagna (I know), it MUST be covered with ketchup.

Luckily, my tastebuds developed, and I was able to appreciate foods without the need to douse it in ketchup, but there always would be a bottle of it in my pantry and my fridge (Yes, I was also one of those people who had one in both…). 

Well, until now. After realizing that ketchup contained as much sugar as mainstream candy, I promptly stopped buying it and HAD to try making my own.

Now, I know that many supermarkets now stock keto condiments, but even looking at those ingredients, they too aren’t exactly keto- They have the same carbs, thanks to all the preservatives and fillers. Luckily, making your own is super simple, affordable, and tastes better than anything from a bottle or jar.

Is ketchup keto? 

Even though traditional ketchup contains tomatoes, a keto vegetable, it is definitely NOT keto friendly. Most ketchup brands have so much added sugar in them, they could technically be considered to be a candy. Many generic kinds of ketchup also contain fillers and additives, which are derived from grains. 

Here are the calories and carbs in traditional ketchup– 2 tablespoons yields 40 calories a whopping 5 grams of carbs with 8 grams of sugar. There is no fiber so yields no net carbs. 

Luckily, this keto version is ridiculously simple to make, and in comparison, here are the carbs- 2 tablespoons yield 2 grams of carbs and 0 grams of sugar. It also contains just 1 gram net carb.  

sugar free ketchup

How do you make sugar free ketchup?

The Ingredients

  • Tomato paste– Not tomato sauce or passata! Tomato paste is super concentrated and gives plenty of tomato flavor, without the need for tons of tomatoes. 
  • Apple cider vinegar– Gives some tang to the ketchup, and is balanced out with the white vinegar. 
  • White vinegar– I used a combination of apple cider and white vinegar, so the apple flavor would not be overpowering. 
  • Sweetener of choice– Either keto brown sugar or monk fruit sweetener. I prefer the former, as it gives the ketchup a more authentic flavor. 
  • Onion and garlic powder– A little of both for added flavor. Do not use onion salt and garlic salt, or the ketchup will be too salty! 
  • Salt– Extra flavor! 
  • Water– To thin out the mixture and the ketchup. 

The Instructions 

Start by mixing all your ingredients in a small saucepan. On medium heat, heat the mixture up until it begins to gently simmer. Once it has simmered, reduce to very low heat and stir regularly, for 10 minutes. Remove from the heat and let cool completely, to thicken.

homemade sugar free ketchup

Tips to make the best low carb ketchup

  • Be sure to taste test the ketchup while you are stirring it up. If it is too thick, you can add more water to thin it out. Also, if you prefer sweeter ketchup, add extra granulated sweetener. 
  • Do not use stevia or stevia blends of sugar. They obtain a bitter flavor when mixed with the tomato paste.
  • Feel free to add other spices or herbs to the ketchup, like oregano, cayenne pepper, or even red pepper flakes.

Storing and Freezing Ketchup

  • To store: Keto ketchup must always be stored in the refrigerator, as it contains to added preservatives to keep it safe at room temperature. It will keep well for up to 1 month. 
  • To freeze: Place the ketchup in a freezer friendly container and store in the freezer for up to 2 months. Thaw overnight in the refrigerator and give it a mix before enjoying it.

sugar free ketchup recipe

More simple keto recipes you’ll enjoy

keto ketchup recipe

Keto Ketchup

This keto ketchup is a low carb and sugar free version of traditional ketchup! Simple to make and ready in minutes, it's a fantastic keto condiment to enjoy with everything!
5 from 51 votes
Print Rate
Course: Appetizer
Cuisine: American
Prep Time: 1 minute
Cook Time: 10 minutes
Total Time: 11 minutes
Servings: 20 servings
Calories: 8kcal
Author: Arman



  • In a small saucepan, add all your ingredients and mix until combined.
  • On medium heat, warm up the saucepan and its contents. Once it begins to simmer, reduce the heat to low and stir constantly for 5 minutes. Taste the sauce and add either more sweetener or more salt, depending on taste.
  • Remove the saucepan from the heat and let cool completely.


TO STORE: Keto ketchup must always be stored in the refrigerator, as it contains to added preservatives to keep it safe at room temperature. It will keep well for up to 1 month.
TO FREEZE: Place the ketchup in a freezer friendly container and store in the freezer for up to 2 months. Thaw overnight in the refrigerator and give it a mix before enjoying it.


Serving: 2tablespoons | Calories: 8kcal | Carbohydrates: 2g | Protein: 1g | Fat: 1g | Sodium: 184mg | Potassium: 86mg | Fiber: 1g | Vitamin A: 130IU | Vitamin C: 2mg | Calcium: 3mg | Iron: 1mg | NET CARBS: 1g
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    4 thoughts on “Keto Ketchup

    1. 5 stars
      I made this as described. It was an excellent replacement for the sugar filled tomato sauce from a bottle that I would normally use (I am an Aussie so we tend to call the bottled stuff sauce rather than ketchup).

      Was easy to make and will be on my must have recipe list! Good job!


    2. 5 stars
      Best ketchup I’ve ever tasted! I don’t see myself buying store bought ketchup ever again! Thank you for sharing this recipe with the world!! ❤

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