Quick Easy Marinade For Grilled Tuna Steak

A quick easy marinade for grilled tuna steak doesn't come much simpler than this and the fresh flavors are absolutely awesome. What I also like about this recipe is the colours, tuna is such a fresh concept that the vibrant colors of this marinade really work to bring the dish alive!

See how vibrant the colors are

The best way to eat a tuna steak in my my book is straight off the searing hotplate on your grill, the marinade takes 10 minutes to put together, the tuna takes a couple of minutes to sear so if your already hungry, you could have this one served up in the next 30 minutes so what are your waiting for?

Just a quick note on this one. I've used a fresh green chili but feel free to substitute chili flakes or why not color it up a little more with a fresh red chili?

TIP - Lime juice is great addition to this recipe but don't put it in the marinade otherwise it will start to "cook" the fish (technically it doesn't cook the fish, it denatures the proteins on the surface of the steak). Squeeze it over as you cook.

Yield:- ¼ cup or 60ml

Preparation Time:- 10 mins
Marinade Time:- 10 minutes
Cooking Time:- 4 minutes

Total Time:- 24 minutes


  • 1 teaspoon ground coriander seeds
  • 1 tablespoon fresh coriander leaves
  • 1 fresh green chili (seeded)
  • A pinch of salt
  • A good lug of olive oil


Take a skillet and lightly toast the coriander seeds for a couple of minutes until they are fragrant (don't burn them!) and then grind in a pestle and mortar. Chop the coriander leaves and chili and throw everything into a marinade bowl with the salt and olive oil.

Place your tuna steaks in the marinade, ensure that they are covered and put to one side for 5 minutes, then turn your tuna steaks and give the other side 5 minutes.

There's no need to refrigerate during the marinade time. Infact it's better to get your steaks fully up to room temperature before cooking, that way the middle of the steak won't be too cold.

This marinade for grilled tuna steak doesn't take long, just 5 or 10 minutes so warm up your hotplate and complete your grilled tuna steaks. For me it's just 2 minutes on each side so that the outside of the steak in cooked but the inside is still completely raw.

See Also:-

Grilled Tuna Recipes
Spicy Grilled Tuna Steaks
BBQ Grilled Tuna With Fresh Basil
More Great Barbecue Marinades
Thai Spiced Marinade Recipe For Grilled Shrimp
How To Seed A Chili

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