Low-FODMAP Blackened Mahi Mahi Fish Sandwich; Gluten-free, Dairy-free

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This recipe is so easy and so good!  I love fish and this low-FODMAP Blackened Mahi Mahi Sandwich is savory and spicy with fantastic flavor.  So healthy too.

Feel free to substitute cod or your other preferred fish in this low-FODMAP Blackened Mahi Mahi  recipe.

This low-FODMAP meal is perfect with low-FODMAP coleslaw, low-FODMAP Grilled Vegetables, low-FODMAP rice or potato chips.

Check out over 300 more low-FODMAP recipes on my blog.

Be healthy and happy,

Rachel Pauls, MD

Low-FODMAP Blackened Mahi Mahi Fish Sandwich; Gluten-free, Dairy-free

Serves 4-6

Prep time 10 min

Cook time 10 min

Total time 20 min


  • About 20-24 ounces of mahi mahi or other fish such as cod, or tilapia; sectioned into 4 individual pieces
  • 1 tablespoon smoked paprika
  • 1 teaspoon cayenne
  • 1 teaspoon chili powder
  • 1/2 teaspoon cumin
  • 1/2 teaspoon oregano
  • 1 teaspoon salt
  • 1 teaspoon pepper
  • 2 tablespoons extra- virgin olive oil or canola oil
  • 4 low-FODMAP, gluten-free buns or thick bread
  • 1-2 tomatoes, sliced
  • 1 cup lettuce, such as romaine or bibb lettuce
  • low-FODMAP Pickles
  • low-FODMAP Special sauce, or low-FODMAP Tartar sauce (optional)


  • Combine the paprika, cayenne, chili powder, cumin, oregano, salt and pepper in a small bowl
  • Rinse and pat dry mahi mahi fillets
  • Sprinkle the spice mix evenly over each filet, rubbing it on all sides
  • In a non-stick skillet set over medium-high, heat 1 tablespoon of oil (I love cast iron)
    • Can also grill over medium-high heat
  • Add 2 of the mahi mahi filets and cook, undisturbed until they’re just beginning to blacken, about 4 minutes
  • Flip the filets and cook for another 4 minutes

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