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Creating the perfect keto ketchup recipe was no different than developing sugar free BBQ sauce and keto pizza sauce. After much trial and error, I perfected a sugar free ketchup that tastes just like the real deal and stays low carb enough for a keto diet. You can cross this one off your list of favorite foods you miss!
The official start of summer may be a few weeks away, but grilling season is definitely here — and, you’re going to need this low carb sugar free ketchup recipe for all your cookouts this summer. Your guests (or your kids) won’t guess it has no added sugar and is keto friendly. You might even forget it yourself. 😉
Is Ketchup Keto?
Traditional store bought ketchup is not keto. It’s made with added sugar, or even worse, high fructose corn syrup. There are some sugar free ketchup brands, but most of them use artificial sweeteners like sucralose.
Fortunately, there is still a way to enjoy ketchup on a low carb diet and avoid sugar. Just use my homemade sugar free ketchup recipe instead!
The key to making low carb ketchup or keto ketchup is really just the sweetener. Instead of sugar, or syrup, I used Besti Powdered Monk Fruit Allulose Blend, which dissolves easily and ensures that the ketchup is smooth, not grainy.
In fact, it tastes so much like the real deal that I included it in my Easy Keto Carboholics’ Cookbook, along with several other delectable sauces and spreads.
Ingredients & Substitutions
This section explains how to choose the best ingredients for the best sugar free ketchup, what each one does in the recipe, and substitution options. For measurements, see the recipe card below.
- Tomato Paste – Adds classic tomato ketchup flavor. If you don’t have any on hand, you can simmer tomato sauce until it reduces to a paste consistency.
- Besti Powdered Monk Fruit Allulose Blend – Some sugar substitutes work better than others, and this one is my top recommendation. Other sweeteners can crystallize or not fully dissolve, leading to a gritty texture. You can use a concentrated liquid sweetener if you prefer, such as liquid monk fruit extract or stevia, but keep in mind that these can create an aftertaste and you’ll need to use much less.
- White Vinegar – Use apple cider vinegar to make this homemade ketchup paleo friendly.
- Spices – To make this tomato ketchup taste similar to Heinz, you will need sea salt, onion powder, garlic powder, paprika, ground cloves, and mustard powder.
How To Make Sugar Free Ketchup
This section shows how to make keto ketchup, with step-by-step photos and details about the technique, to help you visualize it. For full instructions, including amounts and temperatures, see the recipe card below.
- Combine. Whisk all ingredients in a small saucepan, until smooth.
- Simmer. Gently bubble over low heat, with a cover, until the sugar free ketchup thickens (reduces) to your desired consistency. Stir occasionally while simmering. Taste, and adjust salt and sweetener if needed.
- Blend. For the best keto ketchup that’s silky smooth, transfer the mixture to a high-powdered blender (this one is my favorite) and puree. This step is not required, but I highly recommend it for the smoothest texture that is most similar to the ketchup you’re probably used to.
TIP: Simmering time will vary.
The time can vary widely depending on the size of your pan and your stove temperature. Larger pans will need less time.
- Store: Keep keto ketchup in an airtight container in the fridge for 1-2 weeks. If separation occurs, give it a stir and it will return to normal.
- Freeze: Pour into an airtight container or freezer bag, then store in the freezer for up to 3 months.
Ways To Use Keto Ketchup
Fries — which are not low carb — are probably the food that comes to mind when you think of ketchup. But don’t worry, there are alternatives and other tasty ways to enjoy keto ketchup in your favorite meals:
- Burgers – Use it to top your burgers sandwiched between low carb hamburger buns. Add some homemade mayo on them while you’re at it! If you’re making burgers for a cookout, serve your burgers with grilled cabbage steaks or a creamy cauliflower potato salad.
- Chicken – Dip keto chicken nuggets (pictured above) or crispy keto chicken tenders into sugar free ketchup. They just aren’t the same without the right condiment!
- Fries – Try my favorite keto french fries or even low carb cauliflower tots. You can also serve it with garlic parmesan fries for family members who aren’t keto.
- Meatloaf – Slather a layer on a keto meatloaf or a savory bacon wrapped turkey meatloaf.
More Homemade Sugar Free Condiments
Need a healthier alternative to store-bought condiments? Try your hand at these easy homemade condiments — all sugar free!
- Whisk – The ergonomic design and soft handle make it a breeze to use for just about any kitchen task.
- Saucepan – The pour spouts on this saucepan make it easy to pour the hot ketchup into the blender.
- Blender – With its high-powered motor, this blender can easily blend and break down any ingredients into a smooth puree.
Keto Sugar Free Ketchup
Sugar Free Ketchup (Keto)
This easy keto sugar free ketchup tastes just like the regular kind, with simple ingredients and just 2 grams net carbs. Everyone loves it!
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Tap on the times in the instructions below to start a kitchen timer while you cook.
Simmer for about 30 minutes over low heat, with a cover, until the ketchup thickens (reduces) to your desired thickness. (Time will vary widely depending on the size of your pan.) Stir occasionally while simmering. Taste, and adjust salt and sweetener if needed.
For the best consistency, puree the ketchup in a high-power blender for at least 30 seconds, until smooth. (This step is optional, but recommended for texture.)
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Serving size: 1 tablespoon
- Entire recipe makes 3/4 cup, or 12 tablespoons.
- Recipe from The Easy Keto Carboholics’ Cookbook.
Nutrition facts are provided as a courtesy. Have questions about calculations or why you got a different result? Please see our nutrition policy.
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