Low Sodium Tomato Soup

(5.0)
By Adam Fisher
Updated 10/2/2025
Dietitian Reviewed: Erin McNamara, RDN, LDN, CLT
Approved for These Diets:
Heart Healthy | Low Sodium | Gluten Free | Diabetic | Low Cholesterol | Vegan | Vegetarian
Low Sodium Tomato Soup
Photo Credit: Adobe Stock

Craving a warm, comforting bowl of tomato soup but need to watch your sodium? This easy, homemade Low Sodium Tomato Soup is your answer! It's incredibly creamy (without any cream!) and packed with the rich flavor of fresh tomatoes and herbs. We skip the salt but not the taste, making it a perfect diabetic-friendly and heart-healthy choice for the whole family. It pairs wonderfully with an easy, 15 minute cheese quesadilla.

Ready for more comforting meals? Grab your bowl and spoon for these low sodium soup recipes!

Total Time
30 minutes
Servings
8
Calories
95

What Makes This Low Sodium Tomato Soup Healthy

  • Made with zero added salt, relying on balsamic vinegar and fresh herbs for a rich, savory flavor.
  • Packed with nutrient-rich fresh vegetables like tomatoes, carrots, and celery.
  • Achieves a creamy texture using unsweetened almond milk, keeping it light and dairy-free.

Key Health Highlights

  • Low Sodium: Essential for managing blood pressure and supporting overall heart health.
  • Rich in Lycopene: Tomatoes are a fantastic source of lycopene, a powerful antioxidant linked to reduced risk of heart disease.
  • Good Source of Fiber: Vegetables like carrots, celery, and fennel provide dietary fiber, which aids in digestion and helps maintain stable blood sugar levels.
  • Diabetic-Friendly: With no added sugar and a focus on whole foods, this soup is a great choice for a diabetic-friendly eating plan.
  • Low in Saturated Fat: Using olive oil and almond milk instead of butter or cream keeps the saturated fat content low, benefiting cholesterol levels.

FAQs About Low Sodium Tomato Soup

Canned tomato soups are often very high in sodium, with some brands containing over 480mg per serving. This homemade recipe is very low in sodium, with only 90mg per serving, because it contains no added salt.

You can build incredible flavor without salt by using aromatics like garlic and onion, herbs like fresh basil, and a touch of balsamic vinegar or maple syrup to create a balance of sweet and savory tastes.

Yes! For a convenient option, you can substitute the 1 lb of fresh Roma tomatoes with one 28-ounce can of no-salt-added crushed or diced tomatoes. The flavor will be slightly different but still delicious.

More Heart-Healthy Soup Recipes

Low-Sodium Soups

What to Serve with Tomato Soup

Healthy Sides and Sandwiches

Homemade vs. Canned Soup: A Sodium Comparison

 One of the biggest benefits of making tomato soup at home is controlling the sodium. A single cup of popular canned tomato soup can contain 480mg of sodium or even more—that's over 20% of the recommended daily intake! In stark contrast, this homemade recipe has only 90mg of sodium per serving, giving you all the flavor without the salt overload.

Ingredients

Recipe yields 8 servings

Directions

  1. Step 1

    In a large Dutch oven, heat oil over medium-high heat until hot and shimmering. Add garlic, onions, carrot, tomatoes, celery, fennel, and black pepper. Stir to combine and sauté, stirring occasionally, for 2 to 3 minutes, until vegetables are tender.

  2. Step 2

    Add maple syrup, balsamic vinegar, tomato juice, and vegetable stock; lower heat to medium and cook for 10 minutes.

  3. Step 3

    Transfer vegetable mixture to a large blender; blend on high into a smooth purée, about 3 minutes. While the blender is running, slowly drizzle almond milk through the lid spout.

  4. Step 4

    Pour a serving into a bowl and garnish with fresh basil. Allow to cool to room temperature and store in the refrigerator in an airtight container for up to 1 week.

Nutrition Facts

Serving Size:
1 cup

95
Calories
4
g
Fat
0
mg
Cholesterol
90
mg
Sodium
14
g
Carbs
1
g
Sat. Fat
3
g
Fiber
2
g
Protein
9
g
Sugars

Serving & Storage Tips

  • Serving: Garnish with fresh basil, a swirl of olive oil, or some homemade low-sodium croutons for extra texture.
  • Storing: Store leftover soup in an airtight container in the refrigerator for up to 5 days.
  • Freezing: This soup freezes wonderfully. Pour cooled soup into freezer-safe containers, leaving an inch of space at the top, and freeze for up to 3 months.

Ingredient Substitutions

If you don't have fresh tomatoes, one 28-ounce can of no-salt-added crushed tomatoes works beautifully.

To keep it creamy and dairy-free, you can use unsweetened cashew or soy milk. For a richer soup, use a splash of full-fat coconut milk.

A teaspoon of coconut sugar or a pinch of stevia can be used for a touch of sweetness.

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