
Whether or not you can eat tomato sauce on a keto diet depends on the type of tomato sauce. Many store-bought tomato sauces contain added sugars, which significantly raises their total carb content, making them less suitable for a keto diet. However, some brands and varieties are made without added sugar, and there are also recipes for making your own keto-friendly tomato sauce.
| Characteristics | Values |
|---|---|
| Can you eat tomato sauce on keto? | Yes, but it depends on the type of tomato sauce and its ingredients. |
| Tomatoes | Raw tomatoes are typically keto-friendly. |
| Tomato sauce ingredients to avoid | Added sugars, refined starches, and more than 1 gram of carbs per serving. |
| Keto-friendly fats | Olive oil, ghee, avocado oil, and cream cheese. |
| Keto-friendly sweeteners | Monk fruit, erythritol, and natural sweeteners. |
| Store-bought keto-friendly options | Heinz Less Sugar Tomato Ketchup, Celebrate Health from Coles, Undivided Food Co Good Sauce from Low Carb Emporium, and Fountain Reduced Sugar. |
| Homemade keto-friendly options | Use fresh tomatoes, add flavor with onions, garlic, and herbs, and simmer for at least 30 minutes to an hour. |
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What You'll Learn
- Store-bought tomato sauce often contains added sugar, making it high in carbs and unsuitable for keto
- Raw tomatoes are keto-friendly, but sundried tomatoes are less so due to their low water content
- Some brands offer keto-friendly tomato sauce with no added sugar
- You can make your own keto-friendly tomato sauce using fresh tomatoes, herbs, and keto-friendly fats like olive oil
- Some keto dieters suggest using reduced-sugar sauces in moderation

Store-bought tomato sauce often contains added sugar, making it high in carbs and unsuitable for keto
Store-bought tomato sauce often contains added sugar, making it high in carbohydrates and unsuitable for a keto diet. Tomatoes themselves are low in carbohydrates, but many store-bought tomato products, such as tomato sauce, contain added sugars, significantly raising their total carbohydrate content. This includes canned tomatoes, which may also contain added sugar. Therefore, it is important to check the ingredient label when purchasing tomato-based products and avoid those with added sugar.
Some brands and varieties of store-bought tomato sauce are made without added sugar, making them suitable for a keto diet. For example, some people on a keto diet recommend Heinz Less Sugar Tomato Ketchup, or the Fountain reduced-sugar option. However, it is important to note that even these reduced-sugar options may still contain some sugar and carbohydrates, so they should be consumed in moderation and with careful measurement to ensure they fit within keto macros.
One way to ensure that tomato sauce is keto-friendly is to make it at home. By making your own tomato sauce, you have total control over the ingredients and can avoid added sugars and other unwanted ingredients. Fresh tomatoes are recommended for a less processed sauce with a deeper, richer flavor. It is also important to add keto-friendly fats like olive oil, ghee, and avocado oil to provide a smooth texture and delicious flavor. Additionally, a keto-friendly sweetener can be used to balance the acidity of the tomatoes.
Some people on a keto diet have shared their recipes for keto-friendly marinara sauce, which can be used on pizza, lasagna, and egg dishes. This sauce can be made by simmering fresh tomatoes and spices, and then blending in olive oil at the end. This sauce can be stored in the refrigerator for up to 2 weeks or in the freezer for up to 2 months.
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Raw tomatoes are keto-friendly, but sundried tomatoes are less so due to their low water content
Tomatoes are considered a vegetable, but they are actually a fruit. So, are they keto-friendly? The answer is yes, but it depends on the type of tomato and how it is prepared. Raw tomatoes are typically keto-friendly. According to the USDA, one medium tomato contains just 3-4 grams of carbohydrates and 1 gram of fibre per 100 grams, making them a low-carb food and an excellent choice for those following a keto diet. Their fibre content and low glycemic index make them a great choice as the sugar from tomatoes is released slowly into the bloodstream, preventing sudden spikes in sugar levels.
However, sundried tomatoes are less keto-friendly due to their low water content. The same goes for many prepackaged tomato-based products, which often contain added sugars. Sundried tomatoes contain around 23.5 grams of net carbs per cup (54 grams), which is significantly more than the same serving of raw tomatoes. Therefore, those on a ketogenic diet may need to limit their intake of sundried tomatoes.
Tomato sauce can be keto-friendly, but it largely depends on the ingredients used. Many store-bought tomato sauces contain added sugars and other ingredients that can make them too high in carbohydrates for a keto diet. However, there are some brands and varieties made without added sugar, and there are also recipes for making your own keto-friendly tomato sauce. When choosing a store-bought tomato sauce, it is important to read the ingredient list to ensure it does not contain more than 1 gram of carbohydrates per serving, high fructose corn syrup or other added sugars, or refined starches such as wheat flour, cornstarch, or potato starch.
To make your own keto-friendly tomato sauce, start with fresh tomatoes, not canned, as this will result in a less processed sauce with a deeper, richer flavour. Choose ripe, bright red or orange tomatoes with firm skin and no blemishes. Decide on a flavour profile—do you want a spicy sauce or something more mild? Add a flavour base such as onions, garlic, basil, or oregano to give your sauce depth and complexity. Slowly simmer the sauce for at least 30 minutes to an hour, depending on the amount of tomatoes used, to allow the flavours to meld together. Don't forget to add keto-friendly fats like olive oil, ghee, or avocado oil to provide a smooth texture and delicious flavour. You can also use a keto-friendly sweetener like monk fruit or erythritol to balance the acidity of the tomatoes.
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Some brands offer keto-friendly tomato sauce with no added sugar
While tomatoes are low in carbs and a good choice for those on a keto diet, tomato sauce often contains added sugar and other ingredients that can make it too high in carbohydrates. However, some brands offer keto-friendly tomato sauces with no added sugar. For example, Fountain offers a reduced-sugar option, and Heinz has a low-sugar tomato ketchup variety.
If you're looking for a keto-friendly pasta sauce, there are several options available. Italo's Gourmet pasta sauce is reportedly tasty, low in carbs, sugar, and sodium, and can be purchased at Walmart. Rao's pasta sauce is another popular option, although it is pricier than other brands. It is available at Costco and Trader Joe's. Yo Momma's Pasta Sauce is also keto-friendly, but some say it tastes like seafood. Other keto-friendly options include Specially Selected Pasta Sauce, Marinara from Aldi, and Le Sauce & Co. pasta sauces.
You can also make your own keto-friendly tomato sauce at home. Start with fresh, ripe tomatoes for the best flavor. Decide on a flavor profile, such as Italian or Mexican, and add a flavor base like onions, garlic, basil, or oregano. Use keto-friendly fats like olive oil, ghee, or avocado oil, and a keto-friendly sweetener like monk fruit or erythritol to balance the acidity of the tomatoes.
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You can make your own keto-friendly tomato sauce using fresh tomatoes, herbs, and keto-friendly fats like olive oil
While many store-bought tomato sauces contain added sugars and starches, making them unsuitable for a keto diet, you can make your own keto-friendly tomato sauce using fresh tomatoes, herbs, and keto-friendly fats like olive oil.
To make your own keto-friendly tomato sauce, start with fresh, ripe tomatoes. Canned tomatoes can also be used, but be sure to check the label to ensure there is no added sugar. Choose bright red or orange tomatoes with firm skin and no blemishes for the best flavour. Decide on the desired flavour profile, whether you want a spicy sauce or a milder version, and whether you want to make an Italian-style or Mexican-style sauce.
Add a flavour base such as onions, garlic, and herbs like basil or oregano to give your sauce depth and complexity. Slowly simmer the sauce for at least 30 minutes to an hour, depending on the amount of tomatoes used. This allows all the flavours to meld together. Remember to add keto-friendly fats like olive oil, ghee, or avocado oil to provide a smooth texture and enhance the flavour.
You can also use a keto-friendly sweetener like monk fruit or erythritol to balance the acidity of the tomatoes. Always use airtight containers to store your sauce in the refrigerator or freezer to keep it fresh for longer. By making your own keto-friendly tomato sauce, you can enjoy the flavour and versatility of tomato sauce while adhering to your dietary restrictions.
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Some keto dieters suggest using reduced-sugar sauces in moderation
While tomatoes are commonly considered a vegetable, they are botanically a fruit, and so they contain some natural sugars. As a result, tomato sauce is often not considered keto-friendly. However, some keto dieters suggest that it is possible to include tomato sauce in a keto diet in moderation, provided that it is a reduced-sugar variety.
Some store-bought tomato sauces are available with reduced sugar content, such as the Fountain brand. These sauces can be included in a keto diet, provided that the amount consumed is carefully measured and not overdone. For example, some keto dieters suggest that BBQ sauce, which is typically high in sugar, can be included in small amounts as the total carb count per serving is low.
It is also possible to make your own keto-friendly tomato sauce at home. This allows for total control over the ingredients and their quantities. To make a keto-friendly tomato sauce, it is recommended to start with fresh, ripe tomatoes, rather than canned, to achieve a less processed sauce with a richer flavor. It is important to ensure that the tomatoes do not contain any added sugar. A flavor base of onions, garlic, and herbs like basil or oregano can be added for depth and complexity. Keto-friendly fats like olive oil, ghee, and avocado oil can be included to provide a smooth texture and enhance the flavor. Finally, a keto-friendly sweetener like monk fruit or erythritol can be added to balance the acidity of the tomatoes.
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Frequently asked questions
It depends on the type of tomato sauce. Many store-bought tomato sauces contain added sugars and other ingredients that are too high in carbohydrates to be part of a keto diet. However, some brands and varieties are made without added sugar, making them keto-friendly.
Check the ingredient list. If it has more than 1 gram of carbs per serving, contains high fructose corn syrup or other added sugars, or includes refined starches like wheat flour, it is not keto-friendly.
Yes, some options include:
- Heinz Less Sugar Tomato Ketchup
- Celebrate Health from Coles
- Undivided Food Co Good Sauce from Low Carb Emporium
- Fountain Reduced Sugar Tomato Sauce
- Woolies Reduced Sugar Tomato Sauce
Yes, by making your own tomato sauce, you can ensure it is keto-friendly. Start with fresh tomatoes and add flavour with onions, garlic, and herbs. Use keto-friendly fats like olive oil, ghee, and avocado oil, and sweeten with monk fruit or erythritol.
Raw tomatoes are typically keto-friendly, but some tomato-based products, like sauces, canned tomatoes, and sundried tomatoes, often contain added sugars, making them less suitable for a keto diet.











































