Flounder is one of those fish that can be really good when it’s kept simple. It doesn’t need breading, a heavy sauce, or a long ingredient list. It just needs a little attention and a few things that bring out its flavor without covering it up.
If you’ve been wanting an easy flounder recipe that doesn’t feel boring, this is a good one to keep around. The fish cooks in just a few minutes, and the dill-Dijon butter gives it enough flavor to make it feel like more than just fish for dinner.
It also happens to be the kind of meal that feels good to eat. Flounder is a lean white fish that gives you protein without weighing the whole meal down, which makes this a nice option for nights when you want dinner to feel lighter but still satisfying.
Tom Halpern is a retired architect based in coastal Georgia, contributed this recipe, it is one he comes back to when he wants something lighter that still feels like a full dinner.
WHy You'll Love this simple fish dinner
The butter gives the flounder a little richness, but not too much. Dijon brings in a little sharpness. Dill relish adds brightness and a bit of tang, and tarragon gives the whole thing a little extra depth without making it taste fussy.
I’d also add a squeeze of lemon at the end, which works naturally here and helps lift everything without changing the spirit of the recipe.
The result is a fish dinner that tastes fresh, balanced, and much more interesting than the amount of effort it takes.
The recipe
What you’ll need
- 1/4 cup unsalted butter, softened
- 4 flounder fillets (about 6 ounces each)
- Cooking spray or a little olive oil
- 1/4 cup dill relish
- 1 teaspoon Dijon mustard
- 1 teaspoon dried tarragon
- 1 teaspoon roasted garlic-herb seasoning
- 1 lemon, cut into wedges (optional, but recommended)
How to make it
Set the butter out first so it has time to soften.
Heat a large nonstick skillet over medium-high heat. Lightly coat the flounder fillets with cooking spray or brush them with a little olive oil, then place them in the pan. Cook for about 2 to 3 minutes per side, or until the fish flakes easily and is cooked through.
While the fish cooks, stir together the softened butter, dill relish, Dijon mustard, tarragon, and garlic-herb seasoning in a small bowl.
Once the flounder is done, transfer it to plates and spoon some of the butter mixture over each fillet. Finish with a squeeze of lemon if using, and serve right away.
A few things to know before you start
Flounder cooks fast, which is great, but it also means it can go from just right to overdone pretty quickly.
You’ll know it’s ready when the fish turns opaque and flakes easily with a fork. If your fillets are thin, check them a little early rather than waiting too long.
A thin spatula helps when turning delicate fish, but you don’t need anything special.
If you want a quick refresher on buying and preparing fish safely, the FDA seafood safety guide is worth bookmarking.
What to serve with it
This works best with sides that are just as simple.
A few good options:
- roasted green beans
- sautéed spinach
- rice or rice pilaf
- roasted potatoes
- a simple green salad
You don’t need much more than that.
This is the kind of seafood dinner that will quickly become a regular. For more seafood recipe ideas, visit our Seafood Recipes section.
Tom Halpern is a retired architect based in coastal Georgia, contributed this recipe. In his free time, he loves trying new hobbies.
