What sauce has the lowest carbs?

When it comes to finding a sauce with the lowest carbs, a homemade low carb tomato sauce is the best option. By using simple ingredients like tomatoes, olive oil, and herbs, you can keep total carbs under 4 grams per serving. Store-bought choices like Rao’s low carb tomato sauce are also popular because they contain no added sugars and stay around 4 grams of net carbs per half-cup.

Can I eat tomato sauce on a keto diet?

Yes, you can enjoy low carb tomato sauce while following a keto diet. The key is choosing a low carb sugar free tomato sauce . Avoid sauces with hidden sugars or starches. Stick to recipes like our homemade low carb tomato sauce for full control over ingredients and carb counts.

Is Rao's tomato sauce keto-friendly?

Rao’s low carb tomato sauce is considered very keto-friendly. It contains no added sugars and uses high-quality ingredients. Each serving has about 4 grams of net carbs, making it a good choice for keto followers who need quick store-bought options when making meals.

Is Ragu tomato sauce keto-friendly?

Ragu’s traditional sauces are not the best fit for a low carb lifestyle. Most Ragu tomato sauces contain added sugars and more than 8 grams of carbs per serving. However, Ragu does offer a no-sugar-added version. Always read the nutrition label carefully. If you want the lowest possible carb content, stick with a homemade low carb tomato sauce recipe .

Low Carb Tomato Sauce Recipe: The Best Sugar Free Keto Sauce (2025)

Name: Low Carb Tomato Sauce
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: Italian
Ingredients: 2 pounds Roma tomatoes (or 1 large can of crushed tomatoes); 2 tablespoons olive oil; 1 teaspoon garlic powder; 1/2 teaspoon onion powder; 1 tablespoon tomato paste; 1 teaspoon dried oregano; 1 teaspoon dried basil; Salt and black pepper to taste; 1 pinch erythritol or monk fruit (optional); 1 tablespoon apple cider vinegar (optional)

Description

A rich and flavorful low carb tomato sauce recipe made from fresh ingredients. Sugar-free, keto-friendly, and perfect for pasta, casseroles, and more.

Ingredients

Scale

2 pounds Roma tomatoes (or 1 large can of crushed tomatoes)

2 tablespoons olive oil

1 teaspoon garlic powder

1/2 teaspoon onion powder

1 tablespoon tomato paste

1 teaspoon dried oregano

1 teaspoon dried basil

Salt and black pepper to taste

1 pinch erythritol or monk fruit (optional)

1 tablespoon apple cider vinegar (optional)

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Instructions

1. Heat olive oil in a pan over medium heat.

2. Add garlic powder and onion powder, sauté until fragrant.

3. Stir in tomatoes and tomato paste.

4. Season with oregano, basil, salt, and pepper.

5. Add erythritol or monk fruit if desired.

6. Simmer for 20 to 40 minutes, stirring occasionally.

7. Blend for smoother texture or leave chunky.

8. Stir in apple cider vinegar before serving (optional).

Notes

Store in the fridge for up to 1 week or freeze for longer storage. Great for keto pasta, casseroles, or as a pizza base.

Prep Time: 10 minutes
Cook Time: 30 minutes
Category: Sauces
Method: Stovetop
Cuisine: Italian

Nutrition

Serving Size: 1/2 cup
Calories: 40
Sugar: 2g
Sodium: 320mg
Fat: 2g
Saturated Fat: 0.3g
Unsaturated Fat: 1.5g
Trans Fat: 0g
Carbohydrates: 5g
Fiber: 1g
Protein: 1g
Cholesterol: 0mg