5-Minute Keto Tomato Soup That Tastes Homemade

It’s a keto tomato soup kind of day. The weather is just gray and cloudy. Days like today just make me want the comforts of home which for me is soup!

Craving Comfort? It’s a Keto Tomato Soup Kind of Day

When the sky is gray and the air feels a little heavier, it’s soup season. And not just any soup. I’m talking about a warm, creamy bowl of keto tomato soup that brings all the cozy comfort without the carbs.

A full bowl of hot keto tomato soup with a spoon

Here’s a little confession. I didn’t try tomato soup until I was in my 30s. I know, it sounds wild. But I thought I didn’t like tomatoes. To be fair, my only experience was salsa. It turns out, tomato soup is a whole different story.

best tomato soup recipe keto
Yield: 2

Best Keto Tomato Soup Recipe

Cook Time: 5 minutes
Total Time: 5 minutes

Creamy low carb keto tomato soup made with roasted tomatoes, garlic, and heavy cream for a rich and satisfying flavor. Perfect for a cozy and guilt free meal.

Ingredients

  • Rao's Marinara Sauce - 1 Cup
  • Butter - 1 Tablespoon
  • Basil (fresh or dried) - 1 Teaspoon
  • Garlic (fresh, crushed or granulated) - 1 Teaspoon (or to your liking!)
  • Heavy Cream - 1/2 cup
  • Parmesan Cheese - 1/4 Cup
  • Salt - pinch
  • Pepper - pinch

Instructions

Melt 1 tablespoon of butter in a saucepan over low heat. Once melted, add fresh basil, minced garlic, and a small amount of grated parmesan cheese. Cook for about one minute, increasing the heat slightly to help the flavors combine.

Stir in 1 cup of Rao's Marinara Sauce and continue cooking over low heat until the soup base is well blended.

Add heavy cream to the mixture to make it creamy and rich. Turn off the heat and stir until smooth. Let the soup sit for another minute to finish melding the flavors.

Divide the keto tomato soup into 2 bowls. Top with the remaining parmesan cheese and any extras you enjoy. Fresh basil makes a great garnish for added flavor and presentation.

Notes

This simple keto tomato soup can be made in just 5 minutes, but feel free to turn it on low and let simmer for an even deeper flavor.

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Nutrition Information:

Yield:

2

Serving Size:

1

Amount Per Serving: Calories: 393Total Fat: 38gSaturated Fat: 20gTrans Fat: 1gUnsaturated Fat: 15gCholesterol: 93mgSodium: 915mgCarbohydrates: 9gFiber: 1gSugar: 3gProtein: 6g

This is auto calculated - please use your own ingredients to calculate the exact net carbs in tomato soup.

Is Tomato Soup Keto?

So, is tomato soup keto friendly? The short answer is… sometimes.

Most classic tomato soups are loaded with sugar and flour, which means high carbs. But good news if you’re cutting carbs. You can still enjoy tomato soup by using a low-carb recipe that skips the junk and keeps the flavor.

The Soup That Changed Everything

My first taste of tomato soup came from La Madeleine, and I still remember it. Rich, creamy, and just the right amount of tangy. That moment turned me into a full-blown soup lover.

Since then, I’ve tried other tomato soups. Panera’s version wasn’t bad, but for me, La Madeleine’s is still the one that wins.

Keto Tomato Basil Soup

Like all keto recipes that we share, I like to make sure to include adaptations because not everyone likes all the same ingredients. Regardless of how you make this keto tomato soup recipe – each variation is ready in 5 minutes. Before we make this keto tomato basil soup, let’s grab the ingredients.

Low Carb Tomato Soup Ingredients

For my personal favorite version of keto tomato basil soup, here are the ingredients that I use. Don’t miss the delicious soup additions you can add to give this soup even more of a kick of deliciousness.

  • Rao’s Marinara Sauce
  • Butter
  • Basil (fresh or dried)
  • Heavy Cream
  • Garlic (fresh, crushed or granulated – whichever you like)
  • Parmesan Cheese (mozzarella cheese or asiago cheese are other options)
  • Salt
  • Pepper

Keto Tomato Soup from Pasta Sauce

That’s right, we are making this keto tomato soup from pasta sauce. Rao’s marinara sauce is a keto friendly marinara sauce that helps make this deliciousness into a keto tomato soup you will love.

Rao’s Marinara Sauce

Let’s talk quickly about Rao’s Marinara sauce. This delicious sauce tastes like something grandma would make. I keep this stocked in our pantry because while we are using it here for this low carb tomato soup, it also works well in all kind of keto recipes. It has 25 net carbs for the entire jar.

Image of Raos marinara sauce tomato sauce an ingredient for keto tomato soup

That would make a TON of this keto tomato soup recipe! So just store the rao’s in your fridge and use for various recipes. Yes, it is a little bit higher priced that your traditional marinara, but also has fewer carbs, tastes so much better making it totally worth it.

How to Make Keto Tomato Soup

Did I mention that this recipe is super easy? Oh, well – yes, this keto soup requires minimal cooking skills. Here is how you make keto tomato soup:

Grab a pan and melt your butter on low heat. Once the butter has melted – drop in your basil, garlic and a little bit of parmesan cheese. Cook for a minute, I turn the heat up just a smidge.

how to make tomato soup keto

Next, let’s bring in the tomatoes. We are using Rao’s Marinara sauce for our keto tomato soup.

Dump in your marinara and mix the tomato mixture with your butter mixture. Turn the heat to low and let the marinara mix cook for a few minutes warming all of the ingredients together.

Here is where it goes from good to GREAT. Let’s turn your stove top off and take the heavy cream and give a splash into your pot and stir it into the keto tomato basil soup recipe.

At this time, add in your salt and pepper to your liking. Make sure you are huffing the smell because it is italian devine with all of those ingredients!

Just a tip: don’t boil the heavy cream.

Cook the creamy low carb tomato soup for around a minute more before serving in a bowl.

Once in the bowl, top with more parmesan cheese (or any cheese to your liking.)

Don’t miss our picks for best store bought keto marinara sauces!

Keto Tomato Bisque

This low carb soup base can be used to make a keto tomato bisque. Consider adding in cauliflower rice and some shell fish to thicken the soup base to cook a delicious keto tomato bisque! Enjoy! For added flare, add lobster!

6 Net Carbs

For half a cup of soup, you are looking at around 6 net carbs. Not bad for a filling cup of delicious keto tomato soup. You can adjust the carbs a few ways.

Adding chicken stock or a beef stock to the tomato mixture will thin it out allowing you to eat more soup while consuming less of the carbohydrates that the tomatoes add to this recipe.

keto tomato soup basil creamy low carb

Soup Toppings and Add-Ins

This soup is screaming for toppings and we are here for it with a plethora of low carb tomato soup toppings and add-in suggestions.

Before the massive list – I have to tell you my favorite. If you’ve read our keto snacks post, then you know our love for these but if not – we’re talking about PARMESAN WHISPS!

  • Bacon (Bacon lovers you will want to see these bacon memes)
  • Pesto
  • Moon Cheese
  • Keto Meatballs (make them yourself or frozen meatballs in the air fryer)
  • Hamburger (ground beef seasoned would be divine!)
  • Zoodles (zucchini noodles)
  • Mascarpone
  • Grilled Chicken
  • Coconut Flakes (for an indian tomato soup twist!)
  • Sun Dried Tomatoes
  • Splash of Lemon Juice
  • Cabbage

Pre-keto I would eat my tomato soup with Goldfish crackers. Now, I eat my keto tomato soup with cheese whisp crackers.

Store Bought Keto Tomato Soup

If you are looking for a quick and easy keto tomato soup option, we have store bought brands that are low carb. Here is what we recommend if you are at the grocery store wanting to buy tomato soup.

Tomato Basil Rao Soup

Yes, Tomato Basil Rao Soup is an excellent option for store bought keto soup. This comes in a 16 ounce jar, so calculate your carbs in tomato soup from that number.

rao soup keto tomato basil keto
Rao Soup – tomato basil, low carb and keto friendly

The entire Tomato Basil Rao Soup contains 11 net carbs with 11g of sugar. Remember, if you are dirty keto – this shouldn’t be an issue, but hard core keto diet fans may have an issue with carb count.

And if soups are your bag – we got you covered with our massive collection of keto soups!

I hope you enjoyed this keto tomato soup recipe. Stay tuned because hint hint – next up we are sharing our favorite thing to pair with this delicious soup! Any guesses? Stay tuned!

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