Easy Homemade Keto Spaghetti Sauce Recipe

What’s the key to any nice Italian dish? The tomato sauce! This Keto Spaghetti Sauce recipe is straightforward however completely loaded with taste.

keto spaghetti sauce in a skillet on a cutting board

It’s the right addition to keto-fied recipes like pasta and lasagna, and it gained’t require any fancy components in any respect. Plus, it’s the right made-from-scratch staple that’s certain to impress dinner company.

What You’ll Need

This recipe is low on components and even decrease on tools. You’re certain to have every part you want in your kitchen already.

Here’s what you’ll need to seize:

  • A pot or giant frying pan
  • A picket spoon
  • A measuring cup

That’s it! Feel free to seize some snazzy-looking jars for storage in case you’re planning on making an extra-large batch to retailer for later. Nothing says selfmade like a ball jar, proper?

How to Make Keto Spaghetti Sauce

Pour a glass of your favourite purple wine and seize the basil – it’s time to cook dinner this scrumptious Keto Spaghetti Sauce recipe!

1. Cook the Onions

Add the chopped onion, garlic and oil to your pan. Cook over medium warmth, stirring sometimes till the onions flip translucent.

2. Add the Tomatoes

Add within the herbs, water and all the canned tomatoes. Stir to mix, ensuring the herbs are combined by means of.

Three. Simmer

Leave to simmer over medium warmth for 10-15 minutes. You’ll know when it’s prepared as a result of the tomato sauce will thicken. You can simmer for longer over a decrease warmth for a richer taste, however that is completely non-obligatory.

four. Season and Serve

Remove from warmth and add salt and pepper to style. Serve immediately over your favourite low-carb pasta, reminiscent of zucchini noodles or our well-known Keto Pasta.

completed pasta next to sauces

Common Questions

This recipe is tremendous easy, however you may nonetheless have a couple of burning questions in your thoughts. Lucky for you, we’re right here to reply them!

Can You Eat Spaghetti Sauce on Keto?

Yes. And no. Well, it relies upon.

Can you eat our Keto Spaghetti Sauce? Yes! This recipe is tremendous low-carb and created for folks on a keto food regimen.

So what about store-bought spaghetti sauce? That’s the place issues get a bit tough.

Unfortunately, many packaged sauces are loaded with added sugar. This means plenty of additional carbs, which makes them not-so-suitable for a keto food regimen.

Yes, there are low-carb sauces that don’t have added sugar. But whereas these are nice in a pinch, they’ll usually be costly and laborious to search out. Even specific transport gained’t prevent from tonight’s dinner conundrum!

If you do go for a store-bought pasta sauce, be certain to verify the vitamin info to see what number of carbs it’ll add to your meal.

We is perhaps a bit biased, however we predict selfmade pasta sauce is approach higher than something you could find in a jar.

Aren’t Tomatoes Too High in Net Carbs for Keto?

Tomatoes are a fruit, which suggests they’re a bit larger in carbs than most low-carb greens. But that doesn’t imply it’s a must to keep away from them on a keto food regimen.

Tomatoes can positively be loved in small quantities with out blowing your each day carb price range. This recipe makes use of only one can of tomatoes over two to 3 servings, which is hardly something to fret about.

Not to say tomatoes are loaded with well being advantages! They even comprise potassium, an electrolyte that’s tremendous vital to remain on prime of in case you comply with a keto food regimen.

In different phrases, tomatoes are positively a keto-friendly vegetable. We use them on a regular basis in our Italian dishes. And in our opinion, a keto food regimen with out tomatoes simply isn’t value it!

Which Spaghetti Sauce Has the Least Carbs?

Again, we is perhaps biased – however our recipe is our go-to for a low-carb tomato sauce with minimal internet carbs!

If you’re searching for a premade low-carb pasta sauce, we suggest Rao’s or Yo Mama’s manufacturers.

four pieces of chicken parmesan on parchment paper

Can I Use Fresh Tomatoes?

Sure. We want utilizing canned tomatoes to avoid wasting on prep time, however you possibly can completely chop up your personal tomatoes and use these as an alternative.

This additionally means you possibly can hand-pick your personal aromatic, on-the-vine tomatoes from the shop for optimum taste. 

Just be sure to have the correct quantity of tomatoes for this recipe – that must be round 14.5oz.

Can I Sweeten My Spaghetti Sauce?

If you’re used to having tomato sauce with plenty of added sugar, you could discover this one a bit missing within the candy division. 

Feel free so as to add a bit keto-friendly sweetener whereas cooking, reminiscent of erythritol. A few tablespoons must be all you want.

Over time, your tastebuds will probably regulate to much less sugar and, in flip, sweetness. This means you’ll be capable to get pleasure from meals with out added sweetener, in addition to style the pure sweetness in loads of components – just like the tomatoes in your low-carb spaghetti sauce!

Feel free to progressively dial again the sweetener till you don’t want any in any respect. There’s no must go chilly turkey on the sweetness immediately – you’ll get there ultimately.

How Should I Serve My Low-Carb Spaghetti Sauce?

This pasta sauce can be utilized in any Italian recipe that requires marinara sauce. See our associated recipes part under.

Low-Carb Bases

If you need to preserve issues easy, serve immediately over your favourite low-carb base. Here are a few of our suggestions:

  • Spaghetti squash
  • Shirataki or “miracle” noodles
  • Zoodles
  • Keto Pasta
  • Hearts of palm noodles

This sauce additionally goes nice over floor beef, meatballs or perhaps a seafood medley. Spaghetti and clams, anybody?

Feel free so as to add in some additional low-carb greens, too. Our favorites are eggplant, mushrooms and spinach.

Low-Carb Toppings

Of course, you possibly can’t neglect the toppings. These are additionally a good way to extend the fats content material to your keto food regimen – in addition to the flavour!

Here are a few of our suggestions:

  • Freshly-shaved parmesan
  • Grated tasty cheese
  • A dollop of bitter cream
  • Fresh basil

Spaghetti sauce, floor beef and spaghetti squash noodles topped with contemporary basil? Now that’s what we name a simple meal.

Extra Add-Ins

If you actually need to elevate your sauce, you possibly can attempt utilizing some key components historically present in Italian marinara sauce.

These embrace:

  • Capers
  • Anchovies
  • A touch of wine

Keep in thoughts that anchovies and even capers will make your dish a bit saltier, so that you may need to pull again on the added salt when seasoning.

keto spaghetti sauce on a wooden spoon

What’s the Difference Between Spaghetti Sauce and Marinara Sauce?

Marinara sauce is a plain tomato-based sauce made with tomatoes, herbs and seasonings. Spaghetti sauce refers to a marinara sauce that comprises added meat and greens – just like the onion on this sauce recipe.

Afraid of consuming onion on a keto food regimen due to the carbs? Don’t be! Yes, onions are a bit larger in internet carbs. But our recipes preserve the onion low so that you don’t need to stress over the added carbs.

Onions are additionally a wealthy supply of many vitamins, reminiscent of antioxidants and gut-healthy prebiotic fiber. Think of it as a tasty approach so as to add a bit well being enhance to any Italian dish.

Can I Use Dried Herbs?

We suggest utilizing contemporary herbs if potential. This offers you the very best taste. Nothing beats the style of contemporary basil

Not to say you’ll really feel such as you’re really cooking from scratch.

However, you need to use dried herbs in case you actually need to. Dried herbs are sometimes way more reasonably priced than contemporary herbs, and there’s much less probability of any unused bits going to waste behind your fridge.

Or, possibly that is the excuse you’ve been needing to begin your personal herb backyard! Did you recognize you possibly can simply develop a pot of basil on a sunny kitchen windowsill?

Is This Spaghetti Sauce Vegan/Vegetarian?

Yes! Our straightforward Keto Spaghetti Sauce is completely plant-based, which makes it appropriate for a vegan or vegetarian food regimen.

It doesn’t comprise any additional meat or dairy, so you possibly can serve it over your favourite low-carb greens or meat substitute.

How to Store Your Keto Spaghetti Sauce

This recipe makes sufficient to serve two to 3, so be at liberty to make additional to avoid wasting for later.

Store in a tightly sealed container or jar and refrigerate as soon as cooled. This sauce ought to preserve for a strong two weeks because of the acidity of the tomatoes.

You know the way lasagna tastes higher the following day? The similar goes for this straightforward Keto Spaghetti Sauce. That’s most likely as a result of the herbs and greens have longer to “marinate”, bringing out the strongest potential taste.

All the extra motive to make a bit additional for later!

You can even freeze the sauce for later use. Portion out into smaller jars so that you gained’t need to defrost one large batch afterward.

When freezing liquids, it’s tremendous vital to go away sufficient area on the prime of the container or jar – no less than an inch. This is as a result of liquids broaden when frozen, which might trigger the container to interrupt. No one needs shards of glass of their spaghetti sauce!

Your Keto Spaghetti Sauce ought to last as long as six months frozen.

More Keto Recipes Like This

The wonderful thing about this recipe is it may be utilized in so many various dishes. Check out a few of our greatest Italian keto recipes and put that sauce to good use:

If you’re keen on keto Italian recipes as a lot as we do, be certain to take a look at our whole library right here.


This scrumptious Keto Spaghetti Sauce recipe proves that your favourite dishes positively aren’t off the menu for a keto food regimen!

It’s additionally a fantastic recipe for making your very personal sauce from scratch, with minimal effort and time. Let’s be sincere – store-bought, low-sugar options will be costly and laborious to search out. But with this recipe, you possibly can get pleasure from your very personal Italian fare utilizing reasonably priced, easy-to-find components that style even higher than what you’d get out of a jar.

Did you make our Keto Spaghetti Sauce? We’d like to know! Comment down under and inform us what you thought, and ensure to tag us in your scrumptious Italian dishes on social media.

the perfect keto spaghetti sauce for your low carb pasta night
keto spaghetti sauce on a wooden spoon

Keto Spaghetti Sauce Recipe | Sugar Free

The less complicated the sauce the higher. Let the standard components shine on this keto spaghetti sauce recipe.


  • Add olive oil to a saucepan over medium warmth. Once heated, add onion and garlic and cook dinner till translucent, Three-5 minutes.

  • Add canned tomatoes, water and herbs.

  • Simmer over medium warmth for 10-15 minutes, or till the sauce has thickened. Season with salt and pepper to style.

  • Serve heat over keto pasta of zucchini noodles.

  • Store in a mason jar within the fridge for five days.


If you favor your keto spaghetti sauce to be smoother you need to use a blender to mix the sauce till clean and uniform.

Nutrition Facts

Keto Spaghetti Sauce Recipe | Sugar Free

Amount Per Serving (1 serving)

Calories 52
Calories from Fat 45

% Daily Value*

Fat 5geight%

Saturated Fat 1g5%

Polyunsaturated Fat 1g

Monounsaturated Fat 3g

Sodium 3mgzero%

Potassium 40mg1%

Carbohydrates 2g1%

Fiber 1gfour%

Sugar 1g1%

Protein 1g2%

Vitamin A 79IU2%

Vitamin C 3mgfour%

Calcium 12mg1%

Iron 1mg6%

* Percent Daily Values are primarily based on a 2000 calorie food regimen.

Source hyperlink keto food regimen

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