Keto Tomato Sauce | Low-Carb & Flavor-Packed

Keto tomato sauce brings taste without carbs and fits perfectly in ketogenic lifestyle. You can make it at home using simple, low carb materials and avoid hidden sugars and preservatives. Unlike the stores-finished options, homemade keto tomato sauce gives you complete control over what goes to you. You can pair it as a dip for zucchini noodles, low-carb pizza, or even keto snacks. This sauce explodes with the natural sweetness of tomatoes during low in net carbs. Fresh garlic, onion powder, olive oil, and herbs enhance their taste without compromising their diet. This sauce stores well and works for quick workday food or weekend recipes. It satisfies crawings and supports your goals at the same time – no compromise. Once you try this fresh, homemade keto tomato sauce, you do not want a canned version again.

Keto Tomato Sauce Recipe

Let’s see how you can make this tomato sauce in your kitchen. You will use only low carb materials, rich herbs and healthy fats to create a delicious base. We will run through each step – from chopping to simmerings – and share tips to promote taste and shelf life. You don’t need a fancy tool – just a pan, a spoon and your favorite spices. This guide also includes a nutrition breakdown for prep time, utensils, calories and easy tracking. We will also answer general questions so that you feel confident before cooking. If you are following a keto diet, this sauce will become your Go-Two option for pasta, pizza, and more.

Keto Tomato Sauce

Keto tomato sauce is a low-carb, sugar-free alternative to traditional sauces, perfect for pasta, pizza, and more. Made with fresh tomatoes and herbs, it fits seamlessly into any ketogenic lifestyle without compromising on flavor.

Print Recipe Pin Recipe

Prep Time 10 minutes mins

Cook Time 25 minutes mins

Resting Time 5 minutes mins

Total Time 40 minutes mins

Servings: 4

Cuisine: Italian

Calories: 65

Ingredients Equipment Method Notes

Ingredients

  

• 2 tbsp Olive Oil
• 3 cloves Garlic (Minced)
• 1 small Onion (Finely Chopped)
• 2 cups Fresh Tomatoes (Blanched and Chopped) or 1½ Cups Canned Crushed Tomatoes (No Sugar)
• 1 tsp Salt
• ½ tsp Black Pepper
• ½ tsp Chilli Flakes (Optional)
• 1 tsp Dried Oregano
• 1 tsp Dried Basil
• ½ tsp Onion Powder
• 1 tsp Apple Cider Vinegar
• ½ tsp Erythritol Or Monk Fruit Sweetener (Optional, For Balance)

Equipment

• 1 Medium Saucepan
• 1 Wooden spoon
• 1 Knife
• 1 Chopping Board
• 1 Measuring Spoons/Cups
• 1 Blender (Optional, For Smooth Texture)

Method

 

1. Heat the oil: Warm 2 tbsp olive oil in a saucepan over medium heat.
2. Sauté aromatics: Cook minced garlic and chopped onion until soft and fragrant.
3. Add tomatoes: Stir in chopped fresh or canned tomatoes and mix well.
4. Season the sauce: Add salt, pepper, herbs, chili flakes, and onion powder.
5. Simmer: Let it simmer uncovered for 20–25 minutes, stirring occasionally.
6. Balance the flavour: Add apple cider vinegar and keto sweetener, then stir.
7. Blend (optional): Use a blender if you want a smooth sauce texture.
8. Let it rest: Turn off heat and rest the sauce for 5 minutes before use.

Notes

• Use fresh tomatoes in season for better taste and fewer preservatives.
• Blanch tomatoes first to remove the skin easily before cooking.
• Add a pinch of cinnamon or smoked paprika for depth of flavor.
• Store in an airtight glass jar in the fridge for up to 5 days.
• Freeze in portions for longer storage and easy meal prep.

Keto Tomato Sauce Nutrition

Frequently Asked Questions

Q1. Can I use canned tomatoes for tomato sauce?
Yes, use sugar-free canned tomatoes to keep it keto-friendly.

Q2. How long does keto tomato sauce last in the fridge?
It lasts for 4–5 days in an airtight container.

Q3. Is tomato sauce okay for strict keto diets?
Yes, if made without sugar and used in moderation.

Q4. Can I freeze this sauce?
Yes, portion and freeze it for up to 3 months.

Q5. Can I make it spicy?
Yes, just add chili flakes or jalapeños for heat.

Ereka Vetrini

Hi, I’m Ereka Vetrini, the editor and voice behind KetoRecipesMom.com – a space dedicated to helping busy moms and families embrace the keto lifestyle with ease, confidence, and delicious food!

As a mom, home cook, and health-conscious foodie, I understand the daily challenge of preparing meals that are both nutritious and kid-approved. That’s why I started this blog—to share simple, family-friendly keto recipes that save time in the kitchen and make healthy eating truly enjoyable.