Last updated on June 4th, 2022
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Sometimes it is just fun to get out with the wife and kids and catch some catfish. They are relatively easy to catch when compared to other species, and if you get into a mess of them, it’s easy to fill a cooler before you know it. We have even had days when the cooler filled up and we had to put them in the bottom of the boat!
After all the fun, the work starts. It may take several hours to skin all those catfish, and many people choose to just forgo the work and opt for catch and release. However, I encourage you to rethink that plan. After the tips in this article, you’ll be giving catfish another thought because they can be quite delicious.
Anyone who’s been to the South knows about fried catfish. It’s a staple of country people all over, but it is not the only way to enjoy this whiskered fish. If you want to have a healthier option than frying, or if you are just an adventurous eater, try grilling it.
Now, you may be wondering about how to cook grilled catfish. Well, here is my favorite method with two different recipes and sides. Enjoy!
A Recipe for Grilled Catfish Using Cedar Plank, Really!
The author’s brother Gary with massive catfish
That’s right, cedar plank catfish. Usually when one hears the words, “cedar plank,” they expect to hear “salmon” afterward. However, cedar planks can be used to cook any species of fish. I discovered that it works on catfish several years ago when we caught a large catfish and the fillets from it were bigger than the average salmon fillet.
I thought about cutting it into strips to fry it, but then I saw the cedar plank in my kitchen and the idea sparked. Why not cook the giant slab of catfish on the cedar plank the same way I would salmon? So, I did and it changed my view of “trash fish” from that day on.
The Plank
You’ve probably seen cedar planks in the grilling section at your local “get-everything-store.” These can be quite expensive (usually $8 or more for two). There is another option.
Go to the hardware or lumber store and buy an untreated cedar board. They usually come in 8’ lengths and range in width. I prefer to get them around 6-8” in width as this will handle most fish. Obviously, you’ll need to cut the board into usable lengths, but this is a benefit as you can cut it to fit the fillet you’ll be grilling.
Before you can cook on it, you’ll need to soak the plank for at least an hour to prevent it from becoming firewood in your grill. You can soak it in water, beer, or any other water-based liquid safe for consumption. While the plank is soaking, you can prepare the glaze and the fish.
The Glaze
While the fish is cooking on the plank, you’ll need to brush a glaze on it a couple of times to really seal in the flavor. Making the glaze is easy and it fills the kitchen with an excellent aroma that promises a great meal. Here’s what you’ll need:
Ingredients:
- Ginger 1” cube cleaned and shredded/grated
- Brown sugar ¼ cup
- Butter ½ stick
- Lemon juice 1-2 lemons, fresh squeezed
- Garlic 1-4 cloves crushed (depending on how much you like garlic)
- Melt the butter, but not too hot.
- Mix everything else into the butter and stir.
- Your glaze is ready to make delicious fish.
The Fish
Now that the plank is soaked and the glaze is made, it’s time to prep the fish. This step is also quite simple. First, be sure that all fat has been trimmed away from the catfish. There are a few things I can think of in this world that can rival the horrid flavor of catfish fat. Once the fish is trimmed, sprinkle both sides of the fish with the following seasonings:
Ingredients:
- Kosher salt
- Fresh cracked black pepper
- Chili powder or cayenne powder
- Garlic powder
Note: fresh cracked black pepper is a very important part of any recipe. Peppercorns are full of oils that boast a lot of flavor, but after grinding, these oils dissipate rapidly.
Boxed pre-ground pepper is never as flavorful as freshly ground black pepper. Try it once and you’ll be hooked (no pun intended -well maybe a little). If you haven’t been cooking with it, you will after this. It also kicks up a steak several notches on the flavor scale. Give it a try.
Grilling on the Plank
“Gentlemen, start your grills!” Now that everything is ready, preheat the grill to medium-high heat. Once the grill is hot, place the plank on the grill and let it char on the bottom (about 3-5 minutes).
After the plank is smelling good and has a slightly blackened side, flip it over and place the fillet on the charred side. If you want a more intense smoky flavor, cover the fish and plank with an upside-down pan. This will trap the smoke a little closer to the fish.
After the fish has cooked for about 3-5 minutes, lift the pan and brush/mop the fish with some of the glaze. Recover the fish and give it a few more minutes of cooking time. After about 5 minutes, reapply the glaze. Do this as often as you like until the fish is done.
Hint: if the board starts to burn on the edges, slide it to one side of the grill and turn the burner on that side off. This may slow down the cooking process a little, but it’s better than eating charcoal.
With most fillets, it will take about 15-20 minutes to cook. However, if you have a particularly large fillet, it could take up to 30-35 minutes. Be patient and check the fish for doneness each time you apply the glaze.
Once it’s done, remove the plank from the grill and let the fish rest for 1-3 minutes. This is the hardest step! I always have to steal a little corner to “test” it. After all, the chef must ensure that the food is edible.
To serve it, just place the plank on a large plate or serving pan and place it in the center of the table. If you used several planks for smaller fillets, you can place each plank on the plates in front of your family or dinner guests. The charred plank adds a nice touch to the eye appeal of this dish and the smell will fill the room with excited exclamations.
Alternative Recipe
If you’re not a fan of ginger, there are other options. Consider this cilantro-lime alternative for your catfish glaze:
Ingredients:
- Butter ½ stick
- Lime juice 2-3 fresh squeezed
- Garlic 1-4 cloves crushed (depending on how much you like garlic)
- Cilantro 1 whole bunch, finely chopped
- Tequila 2 oz. One for you, one for the glaze.
- Brown sugar ¼ cup
- Melt the butter. (But again, not too hot)
- Mix everything else into the butter. (only 1 oz. of tequila)
- Your glaze is ready.
Sides Anyone?
Now we need our side. What side dishes go with catfish, you might ask? Here are two I like with my grilled catfish. They are both easy to make and really complement the main dish.
Grilled Asparagus
While you wash the asparagus, snap off the bottom of each stalk. The place where it snaps naturally is the place where it transitions from a tough tree-like stalk to the softer edible part towards the top. After you wash and snap it, drizzle with olive oil and sprinkle with kosher salt and fresh cracked black pepper.
While you are cooking the cedar plank catfish, line the asparagus up on the other side of the grill. As they’re cooking, they will start to dry out. Give it a couple more minutes of this dry cooking, and then brush them with your favorite Italian-style salad dressing.
After a couple more minutes, flip them over. Brush them again on the side and let them cook until they are done. How will you know if they are done? Try one. It’ll be hard to resist. The cooking times look something like this:
- Place asparagus on the grill and let cook for 3-5 minutes.
- Brush with dressing and let cook for an additional 5 minutes.
- Flip it over, brush it again, and let it cook for an additional 5 minutes.
- Check for doneness and extend the time if necessary.
The nice thing about asparagus as a side dish is that they are long and straight. They line up next to the cedar plank perfectly, so they fit on the plate well.
Spinach Salad with Balsamic Vinaigrette
This one is delicious without a lot of effort. Place a handful of baby spinach on a plate. Sprinkle with roasted pecans. Roasted pecans add a sweet and smokey flavor that raw pecans can’t match.
Add some feta cheese. If you like fruit, a few slices of strawberries make this salad pop. Then drizzle with your favorite balsamic vinaigrette (or a homemade one). This is a simple salad, but it is a perfect pairing for cedar plank fish of any sort.
Now Go Try It!
I hope you will try my recipe for grilled catfish but be warned. If you do, you will be hitting the catfish hole more often, and that means hours of cleaning fish! Let me know if you try it and how you like cedar plank catfish.
Blessings.
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Great read… I tried the Cedar plank on some blue cats and the family loved it.. Thanks to the author and adventure fishing…