Tilapia is a great fish for simple meals at a perfect price point but is it possible to grill it for great flavor without losing all the meat between the grates? Yes, and this cast iron campfire recipe for charcoal grilled tilapia is just the solution for that. 

2 tilapia fillets topped with butter in cast iron skillet over hot charcoal

I have come to realize there isn’t much you can’t grill over a good fire. A good bed of burning embers will hold heat. It’s messy but gets us back to our roots. Something totally primitive, and oddly communal comes by grilling.  But, I am admittedly and shamelessly biased. 

So when asked to whip up an easy grilled tilapia recipe, I was happy to oblige. However, if you have ever cooked with tilapia, you know grilling it can be a challenge.

See the Web Story for Cast Iron Tilapia Here

Pause – What is tilapia?

Tilapia is a very mild white fish that’s farm-raised in freshwater. It’s low price point and mild flavor makes it a great entry to cooking fish and anyone who wants to explore different cooking methods without breaking open the bank.

If you have ever grilled tilapia you have probably seen or done it wrapped in foil. That’s because it’s one of those gentle fish that needs some extra tender care when handled on the grill. Yes, it can be grilled right on the grates, but that can often lead to it breaking and you sacrificing a filet or two to Ares. Since I wasn’t in the mood to pay him any favors, I decided to pull out an old trick to guarantee success. 

Why this recipe works in cast iron?

This recipe uses tried and trusted cast iron to cook a simple filet right over the coals which turns out to make for amazing texture and keeps the filets together without poaching them in a foil packet. Being exposed to the smoke gives them the subtle grilled flavor we all love. 

2 paprika coated cooked tilapia filets in a cast iron skillet

What you need for char-grilled fish:

You’ll need:

Ingredients for grilled tilapia with paprika and onions
  • Tilapia: Make sure it’s completely thawed. You can buy fresh or frozen for this, you just want to make sure the filets are similarly sized for even cooking.
  • Garlic Powder, Paprika, and Oregano: These classic pantry staples make the easy spice blend for this fish. Use smoked paprika for a hint of bonus flavor.
  • Hate Onion: Omit the onion from the recipe if you aren’t into them but they do add a great bit of flavor to the recipe! Try adding mushrooms if you are feeling wild.

This is a simple recipe as far as ingredients go. The tilapia will be rubbed with the spice blend and sit over sauteed onions with a little butter to finish it all off. However, there are a few tools that can make grilling this recipe a breeze. 

A charcoal chimney will help you light your coals and get everything burning in under 20 minutes without any lighter fluid. If you don’t have one, I highly suggest investing in one (they are usually around $20) as it’s my go-to method for starting a charcoal fire. 

A 10” well-seasoned cast-iron skillet is every chef’s second-best friend (a good knife is the first). With the onions and fish going right in this, you want it well oiled and well seasoned. A well-seasoned cast-iron skillet is naturally non-stick, which will help the fish to stay whole and not tear or fall apart when you serve it.

bag of kingsfod charcoal on a tree stump

How to Grill Tilapia in Cast Iron

How to prep the grill for cast iron cooking

After the coals have gotten a layer of ash on them in the chimney, carefully, with heat resistant gloves, dump the coals onto the bottom of the grill in an even layer. Add about 15 new coals evenly over the top to keep the heat lingering on. The embers will burn for some time depending on the weather and environment. Adding new ones will help keep things going. 

Hot coals and embers being poured from a charcoal chimney to grill

You will nestle the skillet right onto the embers, making sure it’s flat and can’t fall over. Cast iron can take direct heat, so don’t be afraid to wiggle it to just the perfect position. Let the skillet heat up to almost smoking before adding the oil. You want it to get hot, and since wind, temps and other elements can affect the time when grilling, this is a moment to practice patience, aka, embrace the imperfection with friends. Besides, they will all love that you are cooking right over the coals. 

How to Grill Tilapia

Make sure your tilapia is completely thawed before preparing. If buying fresh, ask the fishmonger if it has been previously frozen, where it’s from and when it arrived just so you know that it’s fresh and from a source you trust. 

step by step photos for grilling tilapia over coals

When you are ready to grill and the skillet is getting hot over your charcoal, pat the tilapia completely dry. Water can cause the oil to sizzle and pop and that’s not fun for anyone. I look over the fish after I have dried it to make sure it’s cleaned of all scales and bones. 

From there I seasoning it liberally on both sides with my spice mixture. I love simple spices when cooking fish. This blend of paprika, garlic powder, and oregano reminded me of childhood when tilapia was broil or bust. So, we can call this my update to that classic. 

Once you place the tilapia in the hot skillet, top with butter to melt in and add flavor and cover the grill to keep the heat in. The tilapia will cook in the now how skillet in 5 to 7 minutes. 

How can you tell tilapia is cooked?

Tilapia is one of the easiest fish to see that it is done. It becomes a very opaque white and flakes easily with a fork. I will always test the thickest part by placing a fork in and pulling gently, if it flakes easily, the fish is done. If it is still soft and doesn’t pull apart, give it another minute or two and try again. 

2 tilapia fillets in a cast iron skillet, one showing flakey tender white meat

What to do with tilapia leftovers

Tilapia filets make a great fish sandwich the next day. I simply reheat them and put them on toast with sandwich spread when I am feeling particularly down-home. 

It is also very tasty to be flaked into pasta with a light pesto sauce or turned into a breakfast hash with home fries and a fried egg. Add a little salsa if you are feeling wild. 

This recipe would even be great served with tortillas and a build your own taco bar if you want to gather everyone around the grill for a fun meal together!

Hate Tilapia – What other fish can you grill in a cast-iron skillet

  • Swordfish
  • Tuna
  • Flounder (Love flounder with the skin on for a great crisp
  • Halibut – absolutely my favorite white fish for so much flavor but often a splurge at the market.

Not even a fan of fish? This cast-iron recipe works great on pork chops and chicken too!

Want more seafood recipe ideas? Try some of my favorites

If you’ve tried my Char-Grilled Tilapia Recipe or any other recipe on GirlCarnivore.com please don’t forget to rate the recipe and let me know where you found it in the comments below.
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Cast Iron Grilled Tilapia

5 from 13 votes
Prep: 10 mins
Cook: 15 mins
Servings: 4
Forget cooking tilapia right over the grates, use cast iron instead to make sure the fish stays together while getting that char-grilled flavor!

Recommended Equipment

  • 1 Chimney starter
  • 1 10″ Cast Iron pan

Ingredients  

  • 1 tbsp olive oil
  • 1 onion sliced thin
  • 2 tilapia filets
  • ½ tsp paprika
  • ½ tsp garlic powder
  • ¼ tsp dried oregano
  • 3 tbsp butter divided

Instructions 

Prep your grill for cooking:

  • Arrange heated coals in an even layer and nestle a 10-inch cast iron skillet directly over the coals. Allow the cast iron to heat up.

Grill the Onions

  • When the skillet has heated, add the olive oil and, using a heat resistant glove and a long spatula, swirl to coat.
  • Lay the onion in the skillet and cover the grill. Cook until tender 5 to 7 minutes, checking occasionally and stirring.

Season the Tilapia

  • Meanwhile, pat the tilapia dry.
  • In a small bowl, mix the paprika, garlic powder and oregano together.
  • Sprinkle liberally over the tilapia filets on both sides.

Grill the Fish

  • Add one tablespoon of butter to the skillet and slide the onions to the outer edges.
  • Lay the tilapia directly into the skillet.
  • Top each fillet with a tablespoon of butter.
  • Cover the lid and allow the tilapia to cook through, 5 to 7 minutes until it flakes easily with a fork.
  • With heat resistant gloves, remove the skillet from the fire and transfer to a serving area.
  • If making more than 2 filets, leave the skillet on the fire, and transfer the onions and tilapia to a serving dish with a spatula and repeat as needed for quantity.

Video

Notes

Notes: This is one of those one-pan easy recipes that can be made in a traditional kettle grill, on a camp grill or over a controlled live-fire. As long as you take the time to build a good amount of heat with the coals, it’s a perfect campfire meal.

Nutrition

Serving: 1g | Calories: 201kcal | Carbohydrates: 3g | Protein: 18g | Fat: 14g | Saturated Fat: 6g | Cholesterol: 65mg | Sodium: 121mg | Potassium: 297mg | Fiber: 1g | Sugar: 1g | Vitamin A: 386IU | Vitamin C: 2mg | Calcium: 17mg | Iron: 1mg
Course: Main Course
Cuisine: American
Author: Kita Roberts
Keyword: Cast iron tilapia, grilled tilapia

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Comments

  1. 5 stars
    I love this recipe! Tilapia is a favorite at our house and this recipe sounds like it would be a hit as well. Adding to our menu now!

  2. 5 stars
    Yum! This Charcoal Grilled Tilapia sounds really delicious. Tilapia is really a favorite of many. I like your technique in cooking this.

  3. 5 stars
    My husband loves to grill and when I showed him this recipe.. we were excited to try it! Let me tell you, it was absolutely amazing! The flavor was out of this world! Thanks so much for sharing!

  4. 5 stars
    After losing many of tilapia filet through the grill grates, this is genius! I can’t believe I never thought of it! Love you simple rub too!

  5. 5 stars
    Wow! This is a great idea and looks sooooo delicious! Unfortunately, I don’t have a grill….. but would love to try this recipe…)

  6. Oh my yum! I absolutely love tilapia and this recipe and the way you cook it makes it so easy that I can try it at home! Thanks for sharing! I can’t wait to see how delicious it turns out!

  7. 5 stars
    This sounds amazing!! I love tilapia and your char grilled version and in a cast iron skillet sounds amazing. Such a creative way to use your cast iron skillet. I can’t wait to try this simple recipe.

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