Is Ketchup Keto? (Plus Low-Carb Ketchup Recipe)

Store-bought ketchup is high in carbohydrates because it has added sugar. When looking for low-carb condiments, you will find options in your neighborhood grocery store. However, the low-carb and sugar-free ketchup options are all fairly pricy.

Here is where homemade sugar-free ketchup comes in. With just a few ingredients and an hour of your time, you can have delicious, low-carb ketchup for a fraction of the cost.

Is Ketchup Allowed on a Keto Diet?

Traditional store-bought ketchup is high in carbs and not keto-friendly. While regular ketchup is delicious on all of our favorite American comfort foods such as hamburgers, hotdogs and French fries, there are low carbohydrate alternatives.

How Do You Make Homemade Keto Ketchup?

Our favorite keto ketchup recipe can be made in less than an hour. This keto ketchup does not have preservatives, so use it within two weeks of making it.

Our Sugar-Free Ketchup Recipe

  • Prep time: 10 minutes

  • Cook time: 30 minutes

  • Cool: 15 minutes

  • Puree: 3 minutes


  • 6 oz tomato paste

  • 1 cup water

  • 1/4 cup sugar-free brown sugar substitute

  • 3 tablespoons white vinegar or apple cider vinegar

  • 1 teaspoon sea salt

  • 3/4 teaspoon onion powder

  • 1/2 teaspoon garlic powder

  • 1/4 teaspoon paprika

  • 1/4 teaspoon ground cloves (optional)


  1. Combine all of the ingredients in a small saucepan.

  2. Whisk until smooth.

  3. Turn the pan on low heat, cover it, and simmer it for about 30 minutes. The ketchup will reduce and thicken as it cooks. Stir occasionally.

  4. Taste and add salt and sweetener to taste.

  5. Once it has cooked and cooled slightly, puree in a blender or food processor until smooth.

  6. Store your tomato ketchup in an airtight container and refrigerate.

Nutritional Information

A serving size of one tablespoon has about 15 calories and 2 net carbs.

Where Can I Buy Keto-Friendly Ketchup?

You can purchase keto-friendly ketchup at most grocery stores or through an online distributor like Amazon.

Look for ketchup with no sugar. Some kinds of ketchup use artificial sweeteners to get the taste of store-bought ketchup, and these are also ok for people on a keto diet.

Here are 4 of our favorite keto ketchup options, all available on Amazon.

  • G Hughes: At 5 calories and 1 small carb per tablespoon, this is a great ketchup for a low-carb diet.

  • Heinz Ketchup: Heinz makes a no-sugar-added ketchup with simple ingredients. This choice has a few more calories at 10 per tablespoon but still only one total carb.

  • Lakanto: Lakanto ketchup has 2 net carbs per serving and is sweetened with monk fruit.

  • Primal Kitchen: This ketchup has ten small calories and 2 net carbs.