Recipe Lists

14 Grilled Tuna Steak Recipes with Paleo-friendly Marinades

Some people are tuna people, and some people aren’t. But when you go paleo, you might find yourself learning to enjoy foods you didn’t before. There are many different ways to make fish taste great, including these tuna steak recipes with different marinades, sauces, salsas, and techniques. Check them out!

These tuna steak recipes are packed with protein and I love how satisfying they are. A great shake-up for your next steak night.



1. Grilled Blackened Tuna Steaks

My favorite way to eat just about any type of meat or fish is to grill it. The smoky flavor can’t be beat—especially when blackened just a bit with fantastic seasonings, just like this grilled tuna rubbed with paprika, oregano, thyme, cayenne, garlic, onion, and other flavors.


Grilled Citrus Tuna Steaks With Avocado and Spinach
Photo: Bev Cooks

2. Grilled Citrus Tuna Steaks With Avocado and Spinach

This recipe can be made paleo by replacing the soy sauce with coconut aminos and the tiny amount of sugar with coconut sugar (or just leaving it out). The bright and zesty flavors of ginger and lime are the perfect contrast for cool, refreshing avocado, and both flavors are perfect with this grilled tuna steak.


3. Kiwi Avocado Salsa Over Rare Tuna Steak

This fruity and savory tuna steak recipe uses mint leaves, lime, and coconut shavings to complement the kiwi and avocado and create a tropical flavor in this dish. A bit of raw honey gives the salsa topping a modest sweetness, while fresh rosemary adds an herbal layer.


4. Grilled Basil Lemon Tuna Steaks

Strong basil and lemon flavors in this marinade will penetrate your tuna steaks and leave them with a light and fresh (but also intense) flavor that’s simply delicious and so easy. You’ll need to start a few hours in advance of when you’d like to grill and serve, so you have time to marinate.


5. Caribbean Grilled Tuna Steaks

These tuna steaks are full of fresh Caribbean flavors, with coconut sugar, cumin, paprika, and ground ginger (you could also use fresh). Ground pepper adds a bit of heat to this dish, while the paprika adds a smoky, summery taste. Bring on the island flavors!


Panini Grilled Tuna Steaks
Photo: Cooking in Sens

6. Panini Grilled Tuna Steaks

These steaks are grilled conveniently in a panini press, but if you don’t have one, you can certainly do them on the grill! Use coconut aminos in place of the soy sauce in this recipe, and enjoy the lemon-lime and clove flavors in this dish—a unique and delicious combination.


7. Mediterranean Tuna Steaks

This flavorful tuna dish is packed with Mediterranean seasonings and flavors. It’s easy to make and is done in half an hour! Yellow onion, tomatoes, garlic, basil, olives, and capers will make you feel like you’re sitting along the Mediterranean Sea while you eat this dinner.


8. Simple Tuna Steak

This recipe needs nothing but butter, ghee, olive oil, and salt or pepper (if desired). It’s a simple way to cook tuna steaks perfectly in a skillet—you can serve them as is, pair them with roasted vegetables, or mix up your favorite sauce or salsa to pour over the dish at the very end.


9. Tuna Steak With Avocado and Cilantro Marinade

Here’s another simple tuna steak with an intensely flavorful marinade of ginger, cilantro, garlic, and lime juice. Avocado is the perfect cooling accent flavor, and healthy fats like coconut oil, tallow, or ghee are the perfect way to cook this dish. Get started a few hours ahead to marinate long enough.


Herb Crusted Tuna Steak
Photo: Oh My Dish

10. Herb Crusted Tuna Steak

This tuna steak has a delicious crust made completely of herbs—no breading here! Garlic powder, onion powder, paprika, chili, and garam masala are wrapped around the fish, coating it in a flavorful herb crust that’s the perfect simple pairing with fresh or roasted vegetables.


11. Perfect Pan-Seared Tuna Steak

The fun flavors, salsas, sauces, and marinades for tuna steaks can be really fantastic, but you can also make them taste great with just a few ingredients and a simple technique. This pan-seared tuna steak needs only grass-fed butter, salt, and pepper. Optionally, you can add poppy seeds or olive oil.


12. Mexican Tuna Steak With Sweet Red Peppers and Avocado

This three-part recipe is for sweet and seasoned red peppers with garlic, sweet paprika, and red onion, tuna steaks with lime and coriander, and a lime-spiked chopped avocado for a blend of flavors and colors you won’t be able to resist.


13. Grilled Asian Tuna Steaks

These steaks are loaded with Asian-style flavorings like lime, garlic, ginger, sesame, and tamari (this recipe suggests substituting balsamic vinegar for the tamari if you wish—or you could use coconut aminos). Green onion adds the final touch to these grilled and fantastic steaks.


Seared Sesame Tuna Steak With Grapefruit Salsa
Photo: Peachy Palate

14. Seared Sesame Tuna Steak With Grapefruit Salsa

This simple but impressive dish uses black and white sesame seeds for a colorful, paleo-friendly crust on this rare tuna. The grapefruit salsa is the perfect touch, with onion, avocado, black pepper, and lime juice balancing and enhancing the flavors.

(Make this next: Tuna Zucchini Cakes)

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