Tuna and Tomato Soup

Featured in: Home Cooking Essentials

This Italian-inspired soup combines flaked tuna with ripe tomatoes, aromatic vegetables, and Mediterranean herbs for a quick, satisfying meal. Sauté onion, carrot, and celery, then simmer with diced tomatoes, vegetable broth, oregano, and basil. Add tender tuna at the end for a protein-rich dish that's ready in just 25 minutes. Perfect for busy weeknights and completely dairy-free.

Updated on Fri, 30 Jan 2026 05:23:12 GMT
Tuna and Tomato Soup served in a rustic bowl with fresh parsley and a lemon wedge, alongside crusty bread for dipping. Save to Pinterest
Tuna and Tomato Soup served in a rustic bowl with fresh parsley and a lemon wedge, alongside crusty bread for dipping. | casaimil.com

Tuna and Tomato Soup is a quick and flavorful dish inspired by Italian cuisine, combining tender canned tuna with ripe tomatoes, aromatic vegetables, and herbs. It is the perfect choice for a satisfying meal that can be prepared in minutes using simple pantry staples.

Tuna and Tomato Soup served in a rustic bowl with fresh parsley and a lemon wedge, alongside crusty bread for dipping. Save to Pinterest
Tuna and Tomato Soup served in a rustic bowl with fresh parsley and a lemon wedge, alongside crusty bread for dipping. | casaimil.com

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This recipe relies on the classic foundation of sautéed onion, carrot, and celery to build a deep base of flavor. The addition of tomato paste and vegetable broth creates a rich, savory liquid that perfectly highlights the flaked tuna.

Ingredients

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  • 1 can (5 oz / 140 g) tuna in olive oil, drained and flaked
  • 1 medium onion, finely chopped
  • 2 cloves garlic, minced
  • 1 medium carrot, diced
  • 1 celery stalk, diced
  • 1 can (14 oz / 400 g) diced tomatoes
  • 2 cups (480 ml) vegetable broth
  • 1 tbsp tomato paste
  • 1 tsp dried oregano
  • 1 tsp dried basil
  • 1/4 tsp crushed red pepper flakes (optional)
  • Salt and black pepper, to taste
  • 2 tbsp olive oil
  • 2 tbsp chopped fresh parsley or basil (optional)
  • Crusty bread (optional)

Instructions

Step 1
Heat olive oil in a large saucepan over medium heat. Add the onion, carrot, and celery. Sauté for 5 minutes, until softened.
Step 2
Stir in the garlic and cook for 1 minute until fragrant.
Step 3
Add the tomato paste and cook for 1 minute, stirring.
Step 4
Pour in the diced tomatoes and vegetable broth. Add oregano, basil, and red pepper flakes if using. Stir to combine.
Step 5
Bring the soup to a gentle boil, then reduce heat and simmer for 8-10 minutes, until the vegetables are tender.
Step 6
Add the flaked tuna and simmer for another 2-3 minutes to heat through.
Step 7
Taste and adjust seasoning with salt and pepper.
Step 8
Ladle into bowls, garnish with chopped parsley or basil, and serve with crusty bread if desired.

Zusatztipps für die Zubereitung

For extra richness, stir in a spoonful of capers or a splash of lemon juice before serving. Ensure you have a large saucepan, wooden spoon, chef's knife, cutting board, and a ladle ready before you begin.

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Varianten und Anpassungen

You can substitute chicken broth for vegetable broth if you prefer a different flavor profile. For a heartier meal, consider adding small pasta shapes during the simmering stage.

Serviervorschläge

Ladle the hot soup into bowls and garnish with freshly chopped parsley or basil. Serving it with warm, crusty bread is highly recommended for dipping into the rich tomato broth.

Save to Pinterest
| casaimil.com

Whether you are looking for a quick weekday lunch or a light dinner, this Tuna and Tomato Soup offers a delicious and nutritious solution. Its balance of protein and vegetables makes it a standout choice for those following a pescatarian diet.

Recipe Questions & Answers

Can I use fresh tuna instead of canned?

Yes, you can substitute fresh tuna. Sear or poach about 6 oz of fresh tuna, then flake it and add during the final minutes of cooking.

How do I make this soup heartier?

Add small pasta shapes like ditalini or orzo during the simmering phase, cooking until tender. You can also add white beans or chickpeas for extra protein and texture.

Can I freeze leftovers?

Yes, this soup freezes well for up to 3 months. Cool completely before transferring to airtight containers. Thaw overnight in the refrigerator and reheat gently on the stovetop.

What can I substitute for vegetable broth?

Chicken broth or fish stock work beautifully. For a lighter option, use water with an extra tablespoon of tomato paste and additional herbs for flavor depth.

How can I enhance the Mediterranean flavors?

Stir in capers, olives, or a splash of white wine during cooking. Finish with fresh lemon juice and zest, or drizzle with quality extra virgin olive oil before serving.

Is this soup suitable for meal prep?

Absolutely. Store in airtight containers in the refrigerator for up to 4 days. The flavors actually deepen overnight, making it ideal for preparing ahead.

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Tuna and Tomato Soup

Quick Italian-inspired soup with tuna, tomatoes, vegetables, and herbs. Ready in just 25 minutes.

Prep Time
10 minutes
Bake/Cook Time
15 minutes
Time Needed
25 minutes
Created by Tessa Franklin


Skill Level Easy

Cuisine Italian-Inspired

Makes 4 Serving Size

Diet Preferences No Dairy

What You'll Need

Seafood

01 1 can (5 oz) tuna in olive oil, drained and flaked

Vegetables

01 1 medium onion, finely chopped
02 2 cloves garlic, minced
03 1 medium carrot, diced
04 1 celery stalk, diced
05 1 can (14 oz) diced tomatoes
06 2 cups vegetable broth
07 1 tablespoon tomato paste

Herbs & Seasonings

01 1 teaspoon dried oregano
02 1 teaspoon dried basil
03 1/4 teaspoon crushed red pepper flakes
04 Salt and black pepper to taste

Pantry

01 2 tablespoons olive oil

To Serve

01 2 tablespoons chopped fresh parsley or basil
02 Crusty bread

How to Make It

Step 01

Sauté aromatics: Heat olive oil in a large saucepan over medium heat. Add the onion, carrot, and celery. Sauté for 5 minutes until softened.

Step 02

Bloom garlic: Stir in the garlic and cook for 1 minute until fragrant.

Step 03

Develop tomato base: Add the tomato paste and cook for 1 minute, stirring constantly.

Step 04

Build broth foundation: Pour in the diced tomatoes and vegetable broth. Add oregano, basil, and red pepper flakes if using. Stir to combine.

Step 05

Simmer vegetables: Bring the soup to a gentle boil, then reduce heat and simmer for 8 to 10 minutes until the vegetables are tender.

Step 06

Incorporate tuna: Add the flaked tuna and simmer for 2 to 3 minutes to heat through.

Step 07

Season to taste: Taste and adjust seasoning with salt and pepper.

Step 08

Plate and serve: Ladle into bowls, garnish with chopped parsley or basil, and serve with crusty bread if desired.

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Tools Needed

  • Large saucepan
  • Wooden spoon
  • Chef's knife
  • Cutting board
  • Ladle

Allergy Info

Review every ingredient to spot potential allergens and talk to a healthcare provider if unsure.
  • Contains fish (tuna)
  • Check labels for gluten or other allergens in broth and bread

Nutrition per Serving

Provided for reference only—always ask a doctor for health advice.
  • Calories: 180
  • Fats: 7 g
  • Carbohydrates: 16 g
  • Proteins: 13 g

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