Your typical ketchup, also known as Tomato Sauce in the Commonwealth, is not at all keto-friendly.
In fact, regular ketchup has about 20g of net carbs per 100g! So with just 100g, you would most likely have had your entire keto macros for a whole day!
And no, this is not solely because of the tomatoes. Store-bought ketchup is so high in carbs because it has added sugar. Check out the food label above, Sugar is the second ingredient!
Tomato is a low-carb vegetable with 2.6g of net carbs per 100g. So let’s see below how we can turn this low-carb vegetable into a keto-friendly ketchup!
Making keto-friendly ketchup
You only need a few basic ingredients to make perfect, low-carb ketchup.
Tomato puree, or fresh tomatoes
Tomato Paste made with only tomatoes
Onions for the taste. Yes, onions are also a low-carb vegetable. Not the lowest, but since we’re not using too many of them, it’s fine!
Erythritol to replace the sugar added in classic ketchup recipes. You could pick another keto-friendly sweetener, make sure to read my sweetener guide to make the best choice!
Apple Cider Vinegar to add the typical bitter ketchup taste
Extra Virgin Olive Oil
I took my inspiration from Sugar-free Mom’s Ketchup recipe. Her sugar-free ketchup recipe is quite different as she is using honey so it isn’t keto-friendly. If you are not particularly low-carb and want to try honey in my recipe, I would recommend using 4 tablespoons of honey instead of the 2 tablespoons of erythritol and then to adjust to taste.
Now, making the recipe is very easy – read the recipe card below for full details.
Essentially, all you have to do is to chop the onions and garlic, mix all the ingredients in a saucepan and simmer for about 15 minutes.
The color of the ketchup is slightly lighter than the store-bought version but the taste is very similar. This is a very simple ketchup recipe that makes about 300g of ketchup.
More Keto-friendly dips
If you enjoy dips on your keto diet, make sure to check the following recipe!