Lemon Fish Soup is a light, refreshing, and tangy seafood soup that highlights the delicate flavors of fresh fish paired with bright lemon and aromatic herbs. Perfect for a healthy dinner, this soup is both comforting and vibrant, combining fresh vegetables, flaky fish, and zesty citrus to warm your soul while keeping it light.

Full Recipe: 

Ingredients

• 1 lb white fish fillets (cod, haddock, or tilapia), cut into chunks

• 1 tbsp olive oil

• 1 onion, finely chopped

• 2 garlic cloves, minced

• 2 celery stalks, diced

• 2 carrots, diced

• 4 cups fish or vegetable broth

• 1 cup diced tomatoes (canned or fresh)

• Juice and zest of 2 lemons

• 1 tsp dried thyme or fresh thyme

• 1 bay leaf

• Salt and pepper to taste

• Fresh parsley or dill, chopped (for garnish)

Directions

1. Heat olive oil in a large pot over medium heat. Add onion, garlic, celery, and carrots. Cook until softened, about 5-7 minutes.

2. Add broth, diced tomatoes, thyme, bay leaf, lemon zest, salt, and pepper. Bring to a boil, then reduce heat and simmer for 15 minutes.

3. Add fish chunks and lemon juice. Simmer gently until the fish is cooked through and flakes easily, about 5-7 minutes.

4. Remove bay leaf. Adjust seasoning with salt, pepper, and additional lemon juice if needed.

5. Serve hot, garnished with fresh parsley or dill.

Nutrients (per serving, approx.)

• Calories: 220

• Protein: 30g

• Fat: 5g

• Carbohydrates: 10g

• Fiber: 3g

• Sodium: 600mg

The Appeal of Fresh, Flaky White Fish

The foundation of this soup lies in the use of tender white fish fillets such as cod, haddock, or tilapia. These types of fish are prized for their mild flavor, delicate texture, and ability to absorb the surrounding flavors of herbs and citrus without overpowering the dish. The fish cooks gently in the simmering broth, resulting in flaky, moist pieces that provide a substantial source of lean protein.

White fish’s subtle taste allows the bright lemon and fresh vegetables to shine, creating a harmonious flavor profile. Its high protein content supports muscle maintenance and overall health, making this soup both nutritious and satisfying.

Fresh Vegetables: Building a Flavorful Broth

The soup begins with a classic mirepoix of finely chopped onion, garlic, celery, and carrots, which provide a sweet and savory base. These vegetables soften gently in olive oil, releasing their natural flavors and creating a fragrant foundation.

Adding diced tomatoes contributes acidity and a touch of sweetness, enriching the broth’s complexity and deepening the color. Using fresh or canned tomatoes adds flexibility to the recipe, allowing it to be enjoyed year-round without sacrificing freshness.

Together, these vegetables create a well-rounded broth that supports the fish and lemon, making each spoonful balanced and delicious.

The Zest and Brightness of Lemon

Lemon juice and zest are the defining elements that give this soup its signature brightness and uplifting quality. The zest imparts a concentrated lemon aroma without added acidity, while the juice adds a vibrant tang that awakens the palate.

The citrus cuts through the richness of the fish and the earthiness of the vegetables, lending a clean, fresh finish to the broth. Lemon’s natural acidity also acts as a subtle tenderizer for the fish, ensuring it cooks gently and remains succulent.

This citrus element transforms what could be a simple fish soup into a lively, crave-worthy dish full of character.

Herbs and Aromatics: Thyme and Bay Leaf

The choice of thyme and bay leaf adds subtle complexity and warmth to the soup. Thyme’s slightly minty and earthy notes complement the brightness of the lemon and the savory base of onions and garlic. Bay leaves infuse the broth with a mild, herbaceous undertone that enhances the overall depth of flavor.

Using fresh or dried thyme allows for seasonal flexibility, while the whole bay leaf is easily removed before serving, ensuring its flavor is present without overpowering the dish.

Together, these herbs provide an aromatic backdrop that rounds out the soup’s flavor profile elegantly.

Health Benefits and Nutritional Profile

This Lemon Fish Soup is a light yet nutrient-dense meal that aligns well with health-conscious eating. The lean white fish supplies ample protein with minimal fat, supporting muscle repair and satiety. Olive oil contributes heart-healthy monounsaturated fats, adding richness without excess calories.

The vegetables add dietary fiber, vitamins A and C, and antioxidants that support immune health and digestion. The moderate sodium content can be adjusted based on broth choice and seasoning preferences, making the dish adaptable for various dietary needs.

With just 220 calories per serving, it’s a satisfying and wholesome option that fits easily into balanced meal plans.

Simplicity and Speed: Ideal for Weeknight Dinners

One of the great advantages of this recipe is its simplicity and relatively quick preparation time. The method is straightforward: sauté aromatics, simmer broth with herbs and vegetables, and finish with the fish and lemon juice. This makes it an excellent choice for busy weeknights when you want a nourishing homemade meal without complicated steps.

The soup can be made ahead and gently reheated, with flavors often deepening over time. Its straightforward ingredients also make it easy to source, even in less seasonal months.

Versatility and Serving Suggestions

Lemon Fish Soup pairs well with a variety of accompaniments. A crusty baguette or garlic bread can be served alongside to soak up the flavorful broth. For a lighter meal, a simple green salad with lemon vinaigrette complements the soup’s fresh notes.

It also works well as part of a multi-course meal, offering a light, protein-rich starter or first course that prepares the palate for richer dishes.

For those looking to increase the meal’s heartiness, serving the soup over cooked quinoa or rice provides additional texture and substance.

Adaptations and Flavor Variations

This recipe’s base is highly adaptable to suit personal tastes and dietary restrictions. For a vegetarian or vegan version, vegetable broth can replace fish broth, and tofu or chickpeas can be added as a protein substitute.

Herbs such as dill, parsley, or basil can replace thyme, adding different aromatic profiles. Additional vegetables like fennel or leeks can be introduced to enrich the flavor and texture further.

Adjusting the amount of lemon juice and zest allows control over the soup’s acidity to suit individual preferences, ensuring a personalized dining experience.

Conclusion

Lemon Fish Soup is a beautifully balanced, nutritious, and flavorful dish that celebrates fresh seafood and vibrant citrus. Its combination of tender white fish, caramelized vegetables, aromatic herbs, and bright lemon makes for a comforting yet light meal that nourishes both body and soul.

Easy to prepare and adaptable to different diets and tastes, this soup is perfect for weeknight dinners, cozy weekends, or entertaining guests. Whether served with crusty bread or a fresh salad, it offers a satisfying, elegant dish that highlights the best of simple, fresh ingredients.

This soup invites you to enjoy a harmonious blend of textures and flavors—delicate, tangy, and heartwarming—a true classic for seafood lovers and healthy eaters alike.