Quick and simple lentil tuna salad

Featured in Crisp garden salads with zingy dressings.

This quick lentil and tuna salad is a wholesome and speedy meal option. Packed with plant-based protein and fiber from lentils and enriched with tuna for extra nutrition. Red onion and fresh parsley bring in crunch and freshness, while the zesty mustard-lemon dressing ties it all together. Great for meal prep or as a starter. If you use pre-cooked lentils, it comes together in just 6 minutes, making it ideal for busy schedules. A deliciously filling yet light option.
alicia in the kitchen
Updated on Sun, 02 Mar 2025 18:15:14 GMT
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This Lentil and Tuna Salad transforms a classic composed salad into a contemporary, balanced meal. The protein-rich combination of legumes and seafood is enhanced by a bright citrus dressing. Perfect for a quick yet nutritious lunch.

This recipe was created during a busy day using simple pantry staples. It has since become my go-to solution for hectic weekdays.

Essential Ingredients

  • Cooked lentils (150g): French Puy lentils work best
  • Canned tuna (50g): Choose albacore in olive oil
  • Red onion (1/4): Adds color and mild flavor
  • Dressing:
    • Whole grain mustard (1/2 tsp)
    • Mayonnaise (1 tsp)
    • Organic lemon (1/2)
    • Extra virgin olive oil (1 tbsp)
  • Fresh parsley: For brightness
  • Sea salt and freshly ground pepper

Step-by-Step Instructions

1. Prepare the lentils
- Drain thoroughly in a fine-mesh sieve
- Rinse under cold water
- Let drain completely
- Check for any debris
2. Process ingredients
- Flake tuna gently with a fork
- Slice red onion thinly
- Finely chop parsley
- Zest and juice the lemon
3. Make the dressing
- Combine mustard and mayonnaise
- Whisk in lemon juice and zest
- Stream in olive oil while whisking
- Season with salt and pepper
4. Assemble
- Place lentils in serving bowl
- Add flaked tuna and onion
- Pour dressing over
- Fold in parsley
- Taste and adjust seasoning
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Frequently Asked Questions

→ Can fresh lentils be used?
Absolutely! Just allow 20–25 minutes to cook green or brown lentils.
→ How can I store this salad?
Keep it in an airtight container in the fridge for up to 24 hours.
→ Is it possible to swap the tuna?
Sure! You can use mackerel, sardines, or even hard-boiled eggs for variety.
→ Which type of lentils work best?
Green or brown lentils hold their shape beautifully and work great.
→ Can I make it in advance?
Yes, but it’s best to add the dressing right before serving to keep the lentils firm.

Lentil tuna mustard salad

A quick, healthy lentil and tuna salad with a lemony mustard kick. Perfect for a light, balanced meal.

Prep Time
6 Minutes
Cook Time
~
Total Time
6 Minutes
By: Alicia

Category: Salads

Difficulty: Easy

Cuisine: French

Yield: 2 Servings

Dietary: Low-Carb, Gluten-Free, Dairy-Free

Ingredients

→ Main Ingredients

01 50g canned tuna
02 150g cooked lentils
03 1/4 red onion (around 25-30g)

→ For the Dressing

04 1 tbsp freshly chopped parsley
05 1/2 tsp Dijon mustard
06 1 tbsp olive oil
07 1 tsp mayonnaise
08 Juice and zest from 1/2 a lemon
09 Salt and pepper

Instructions

Step 01

Wash and drain the cooked lentils. Finely chop the red onion and fresh parsley.

Step 02

Stir the mayonnaise, mustard, parsley, lemon zest and juice, and olive oil together. Season with salt and pepper to taste.

Step 03

In a large mixing bowl, gently combine the lentils, flaked tuna, red onion, and dressing. Use extra parsley for garnish.

Notes

  1. Stays fresh for 24 hours in the fridge
  2. You can use either canned or freshly cooked lentils

Tools You'll Need

  • Mixing bowl
  • Knife
  • Cutting board
  • Small bowl for dressing

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Fish (tuna)
  • Eggs (mayonnaise)
  • Mustard

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 420
  • Total Fat: 15 g
  • Total Carbohydrate: 45 g
  • Protein: 28 g