Low-FODMAP Cajun Tuna Salad / Tuna Melt Recipe; Gluten-free

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A delicious and easy low-FODMAP Tuna Salad and Tuna Melt Recipe with a kick.  Enjoy this low-FODMAP Cajun Tuna Salad in a low-FODMAP Cajun Tuna Salad Sandwich, on a bed of lettuce and tomato, or with melted cheese as a low-FODMAP Cajun Tuna Melt.

This low-FODMAP recipe is super easy, but you can make it even simpler with my low-FODMAP Happy Spices Taco Seasoning.

Not only is it healthy, filling and packed with protein, but the low-FODMAP Cajun Tuna Salad is AMAZING.  Not kidding.  It’s creamy and zesty, but not overly spicy. It tastes like a fancy restaurant meal.  I couldn’t stop eating it!

Check out our blog for over 300 more low-FODMAP recipes.  You may also love these:

Be healthy and happy,

Rachel Pauls, MD

Low-FODMAP Cajun Tuna Salad and Tuna Melt Recipe; Gluten-free

Although this recipe has not been tested, a single serving should be low-FODMAP based on the ingredients

Serves 4

Prep time: 15 min


  • ½ cup mayonnaise (check no high-FODMAP ingredients, and gluten-free if necessary)
    • I like Hellman’s and Hellman’s Light
  • 2 tablespoons fresh squeezed lemon juice
  • 1 tablespoon paprika
  • 2 teaspoon low-FODMAP Happy Spices Taco Seasoning
    • can also substitue 2 tsp cumin, 2 tsp ancho chili powder, ¼ tsp salt and 1/8 tsp cayenne
  • ½ tsp black pepper
  • 3 five ounce cans drained white solid Albacore tuna (for best results, but you can substitute any canned tuna variety if necessary)
  • ½ cup chopped red sweet pepper
  • 2 tablespoons finely chopped celery
  • 1 tablespoon chopped chives (green tip only)
  • 1-2 tomatoes, sliced (optional, for serving)

For low-FODMAP Cajun Tuna Melts Version:

  • 2 cups (or 160 g) cheddar, Colby or mozzarella cheese, grated or sliced; divided into 4 (½ cup) servings


  • Place tuna in bowl and mince well with a fork until fine
  • Add all additional ingredients and stir to combine
  • Serve immediately with sliced tomatoes in low-FODMAP, gluten-free bread or bed of lettuce
  • Can also refrigerate until desired (will last about 3-4 days), or prepare low-FODMAP Cajun Tuna Melts as below

To make low-FODMAP Cajun Tuna Melts:

  • Prior to serving, lay 4 gluten-free, low-FODMAP buns or large slices of gluten-free, low-FODMAP bread on oven-safe tray
  • Distribute low-FODMAP Cajun Tuna Salad on buns/bread and top with tomato slices, then cheese
    • Can also layer the tomatoes following melting cheese, if you prefer your tomatoes crisp
    • Is delicious open-faced or in a layer low-FODMAP sandwich
  • Place in toaster or under broiler until cheese is melted
  • Serve immediately… absolutely delicious!

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Comments Rating 5 (6 reviews)

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