Easy Keto Tomato Basil Soup Recipe - Low Carb & Gluten Free (2024)

Creamy and loaded with bright, fresh flavors, this Easy Keto Tomato Basil Soup will quickly become a new family favorite – especially served with my Keto Cheesy Herb Muffins!!!

Easy Keto Tomato Basil Soup Recipe - Low Carb & Gluten Free (1)

When I was a kid I used to love condensed tomato soup from a can, which my mom would usually serve alongside grilled cheese sandwiches made on cheap white bread with lots of butter. It was one of my favorite lunches and tasted even better when we’d just come inside from playing in the snow and were frozen to the bone. There was nothing better than having the day off from school for a snow day and trudging in and getting hit in the face with that sweet and pungent tomato soup smell at lunchtime.

Soup from a can isn’t something I’ve had in many years, but when I set out to create a tasty and easy keto tomato soup recipe, I started with the flavor and smell I remembered from my childhood in mind. Since my taste buds have gotten more discerning over the years, I wasn’t quite as enamored with the basic flavor of the tomato soup as is, so I threw in some dried basil and finished it with some pesto I had kicking around in the fridge at the end.

The addition of basil and pesto really took this already tasty keto tomato soup to the next level of “this is so good that I can’t stop eating it!”

Easy Keto Tomato Basil Soup Recipe - Low Carb & Gluten Free (2)

Since we’re rounding the corner into Spring, this is a great transition soup that is still creamy and comforting, but also sports the brighter, fresher flavors that we’re all starting to crave about now. And you won’t have to stand over the stove for hours to make it, leaving you more time to enjoy the warmer (maybe) and sunnier (hopefully) days ahead.

The tasty looking muffins that you see in the photos are the Keto Cheesy Herb Muffins that I posted recently – and they are amazing. Tender and flavorful, they are the perfect accompaniment to this easy Keto Tomato Basil Soup and stand in perfectly as a keto replacement for the grilled cheese sandwiches of my childhood.

Easy Keto Tomato Basil Soup Recipe - Low Carb & Gluten Free (3)

It’s my hope that this easy low carb tomato soup recipe will bring back pleasant childhood memories for you as it did for me, but even if it doesn’t, or if you haven’t been a fan of tomato soup in the past – I hope you’ll give it a try anyway and report back!

Easy Keto Tomato Basil Soup Recipe Note:

Be sure to use good quality canned tomatoes for this recipe since there aren’t a lot of other ingredients to mask the bitter or metallic flavor that you may get with low grade canned tomatoes. Homegrown, organic and/or San Marzano region tomatoes will typically give the best flavor. I use Cento brand (not getting paid for this, just really like Cento) when I can find them and I’m never disappointed – but any brand of tomatoes grown in and imported from Italy will likely yield delicious results.

That’s not to say this easy keto tomato basil soup won’t still be tasty made with U.S. tomatoes, just maybe not quite as good as it could be.

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Easy Keto Tomato Basil Soup Recipe - Low Carb & Gluten Free (4)

Easy Keto Tomato Basil Soup – Low Carb

★★★★★4.9 from 33 reviews
  • Author: Mellissa Sevigny
  • Total Time: 12 minutes
  • Yield: 6 servings 1x

Description

A creamy and delicious low carb tomato soup recipe that takes just minutes to prepare! Keto, Atkins, and gluten free – this is an easy and tasty soup that you can feel great about serving to your family!

Ingredients

Scale

  • 1 can (28 ounces) whole plum tomatoes (San Marzano preferred)
  • 2 cups filtered water
  • 1.5 teaspoons coarse kosher salt
  • 1/2 teaspoon onion powder
  • 1/4 teaspoon garlic powder
  • 1 tablespoon butter
  • 8 ounces mascarpone cheese
  • 2 tablespoons granulated erythritol sweetener
  • 1 teaspoon apple cider vinegar
  • 1/4 teaspoon dried basil leaves
  • 1/4 cup prepared basil pesto, plus more for garnish if desired

Instructions

  1. Combine the canned tomatoes, water, salt, onion powder and garlic powder in a medium saucepan.
  2. Bring to a boil over medium-high heat and then simmer for 2 minutes.
  3. Remove from the heat and puree with an immersion blender until smooth (or transfer to a traditional blender and blend, then return blended soup to the pan.)
  4. Return to the stove and add the butter and mascarpone cheese to the soup.
  5. Stir over low heat until melted and creamy – about 2 minutes.
  6. Remove from the heat and stir in the sweetener, apple cider vinegar, dried basil, and pesto.
  7. Serve warm.
  8. Store any leftovers in a covered container in the refrigerator for up to 5 days, or in the freezer for up to three months.

Notes

Net carbs per cup = 3 grams.

  • Prep Time: 2 minutes
  • Cook Time: 10 minutes

Nutrition

  • Serving Size: 1 cup
  • Calories: 258
  • Fat: 23g
  • Carbohydrates: 6g
  • Fiber: 3g
  • Protein: 4g

New to Keto and need help getting started?? Try following my 12 weeks of free keto menu plans, starting with the 3 Day Keto Kickstart and Keto FAQs!

Or if you’re already on keto but want to boost your results, try the wildly popular and effective IBIH 5 Day Keto Soup Diet and drop as much as 10 pounds!

Don’t believe me? Check out the comments section on that post for testimonials or join the IBH 5 Day Soup Diet Facebook Group and ask around to see firsthand the amazing results people are getting!!!

Easy Keto Tomato Basil Soup Recipe - Low Carb & Gluten Free (2024)

FAQs

Is tomato basil soup high in carbs? ›

Modern Market Homemade Soups Tomato Basil (1 serving) contains 15g total carbs, 13g net carbs, 11g fat, 4g protein, and 180 calories.

What soup has the least amount of carbs? ›

Low-carb soup recipes
  • Courgette, leek & goat's cheese soup. ...
  • Pumpkin & bacon soup. ...
  • Celeriac, hazelnut & truffle soup. ...
  • Slow cooker chicken soup. ...
  • Chilled green soup with feta. ...
  • Carrot soup with chilli coriander pesto. ...
  • Curried parsnip soup shots. ...
  • Cauliflower cheese soup with crispy sage & hazelnuts. A star rating of 4.2 out of 5.

How many tomatoes can I eat on keto? ›

"They're low in carbs, so they fit perfectly into keto." One whole medium tomato contains roughly 5 grams of carbohydrates, of which 1.5 grams are fiber and 3 grams are sugar.

Can you eat Campbell's tomato soup on a keto diet? ›

Canned tomato soup is filled with ingredients that are not keto friendly such as sugar and cornstarch. Most are around 20 carbs per serving.

Does tomato basil soup raise blood sugar? ›

Tomatoes themselves are a good source of fiber and have a low glycemic index (GI), which means that they are less likely to cause a rapid spike in blood sugar levels. However, many tomato soups contain added sugar, salt, and unhealthy fats, which can all raise blood sugar levels.

Which soup is keto friendly? ›

These cozy soup recipes are seriously indulgent, but they're all keto-friendly.
  • Low-Carb Chicken Pot Pie Soup. ...
  • Creamy Roasted Garlic and Mushroom Soup with Bacon. ...
  • One-Pot Creamy Meatball Soup. ...
  • Vegetable Soup. ...
  • 30-Minute Roasted Garlic Cauliflower Chowder. ...
  • Low Carb Lasagna Soup. ...
  • Instant Pot Keto Stuffed Pepper Soup.
Dec 2, 2022

How many carbs a day on keto? ›

The ketogenic diet typically reduces total carbohydrate intake to less than 50 grams a day—less than the amount found in a medium plain bagel—and can be as low as 20 grams a day. Generally, popular ketogenic resources suggest an average of 70-80% fat from total daily calories, 5-10% carbohydrate, and 10-20% protein.

What is a keto substitute for potatoes in soup? ›

8 Best Low-Carb Potato Substitutes
  • Zucchini – 1.7g of net carbs per 100 grams.
  • Radishes – 1.8g of net carbs per 100 grams.
  • Daikon – 1.8g of net carbs per 100 grams.
  • Cauliflower – 3g of net carbs per 100 grams.
  • Turnips – 3g of net carbs per 100 grams.
  • Celery Root – 4.7g of net carbs per 100 grams.
Jul 25, 2023

Can I eat peanut butter on keto? ›

Peanut butter can definitely be part of a keto diet, but it's best to stick to plain options that are free of extra flavors and sweeteners. Almond butter is a good choice, too, and it's slightly lower in carbs. Additionally, you should be mindful of your portion size if you're trying to lose weight.

Can you eat unlimited vegetables on keto? ›

You do not have to limit vegetables if you are on the keto diet or are considering it. Plenty of low-carb vegetable options include arugula, asparagus, bell peppers, broccoli, Brussels sprouts, cauliflower, kale, mushrooms, spinach, and tomatoes.

What vegetables are off limits for keto? ›

Vegetables to avoid in a keto diet
VegetableCarbs per 100 g
potatoes20.45 g
sweet potatoes16.82 g
beets9.56 g
parsnips16.47 g
3 more rows
Apr 28, 2021

Can I have a banana on keto? ›

Despite the many health benefits of fruit, there is an issue with some fruits on the keto diet. Grapes and bananas, for instance, contain high quantities of carbs. 1 cup of grapes has approximately 26 grams and a medium banana, 24 grams of carbohydrate. As a rule, these fruits should be avoided.

Are cucumbers keto? ›

Cucumbers are keto, therefore, an excellent vegetable choice for a low-carb diet. They contain low net-carb counts and can be eaten frequently without worry. Add them to your favorite fresh recipes or enjoy them sliced with a low-carb dipping sauce like my jalapeno ranch dip.

Is tomato ketchup OK for keto? ›

So can you have ketchup on Keto? Yes, but you have to select an option that has no added sugar and the nutritional value is naturally low in carbs. Heinz Tomato Sugar-Free Ketchup is a great option.

Which tomato soup has the least sugar? ›

Heinz No-Added Sugar Tomato Soup has been made to our own special recipe and with a blend of the finest ingredients. Enjoy a quick and delicious meal with Heinz No-Added Sugar Cream of Tomato Soup. A timeless classic bringing you all the familiar rich, creamy taste you love, without any added sugar and 25% less salt.

How many carbs are in tomato and basil soup? ›

Tomato basil soup by KITCHEN nutrition facts and analysis per 1 cup (241.0 g)
Carbohydrates
NutrientAmountDV
Fiber2.89 g10 %
Sugars10.99 g
Net carbs15.11 g
1 more row

Is tomato soup good carbs? ›

There's just one problem: most of the super thick tomato soup recipes are relatively high in carbs. That might seem surprising, but the natural sugar in tomatoes can add up if they are concentrated. And, some roasted tomato soup recipes even use flour as a thickener.

Is Basil high in carbs? ›

Basil Fresh Or Raw Herb (2 tbsp) contains 0.1g total carbs, 0.1g net carbs, 0g fat, 0.2g protein, and 1 calories.

Why does Campbell's tomato soup have so many carbs? ›

Carbohydrate. Nearly all the calories in Campbell's condensed tomato soup come from carbohydrates. The main ingredient in the soup, tomato puree, made from water and tomato paste, is all carbohydrate. So are the second and third ingredients, high fructose corn syrup and wheat flour.

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