How Long to Bake Flounder at 375ºF? Easy Recipe

How Long to Bake Flounder at 375ºF? Recipe

When it comes to seafood, many people are intimidated by cooking options other than frying. But flounder is one of the easiest fish to cook and can be enjoyed in many ways.

Baking flounder at 375 degrees Fahrenheit is a quick and easy way to cook this delicate fish.

In this blog post, you’ll learn how long to bake flounder at 375 degrees Fahrenheit and get a delicious recipe to try out!

Baking flounder at a high temperature is a healthy way to cook this mild-tasting fish.

This post will answer all your questions and provide tips on making the most of your baking experience.

What is the best temperature to bake flounder?

Flounder cooking time and temperature

When it comes to baking fish, there is no one-size-fits-all answer. The best temperature for baking flounder will depend on several factors, including the thickness of the fish, the type of sauce or glaze you are using, and your personal preferences.

In general, thinner fish like flounder should be baked at a higher temperature (around 375 degrees Fahrenheit) to prevent them from drying out.

If you use a sauce or glaze, you may want to lower the oven temperature to prevent the topping from burning.

And finally, don’t be afraid to experiment until you find a bake time and temperature that works for you.

After all, the best way to become a master baker is through practice and experimentation.

How long does it take to bake flounder at 375 F?

A thin fillet of salmon will cook more quickly than a thick fillet of halibut.

Baking is one of the most popular methods for cooking fish, as it is relatively easy and hands-off. When baking a flounder, the general rule is to cook it at 375 degrees Fahrenheit for 10-12 minutes per inch of thickness

Therefore, a one-inch thick fillet would need to be cooked for 10-12 minutes, while a two-inch-thick fillet would need to be cooked for 20-24 minutes.

Remember that this is just a general guideline, so it is always best to use a food thermometer to ensure that your fish is cooked through.

And frozen flounder at 375 F?

Frozen flounder typically takes about 15-20 minutes to bake at 375 degrees Fahrenheit. When the flounder is cooked, it will be opaque and flake easily with a fork. 

For best results, use an oven-safe pan or sheet so that you can cook the fish directly from the freezer.

This will help prevent any thawing that would add extra moisture to the fish. When baking frozen flounder, remember to season it well before cooking, so it has plenty of flavors.

How Long to Bake Flounder at 375ºF? Recipe

How to Bake Flounder at 375ºF

If you're looking for a delicious and healthy fish recipe, look no further than this baked flounder recipe. This dish is perfect for those who are trying to eat healthier or want to add more seafood to their diet.
5 from 2 votes
Course Main Course
Cuisine American
Servings 4 Servings


  • 1 pound Flounder fillets
  • Salt and pepper
  • Olive oil or cooking spray
  • Lemon juice
  • Parsley (optional)


  • Preheat the oven to 375 degrees Fahrenheit.
  • Season flounder fillets with salt and pepper.
  • Coat a baking sheet with olive oil or cooking spray. Place flounder fillets on the baking sheet.
  • Drizzle lemon juice over the fish.
  • Bake for 15-20 minutes, or until the fish is cooked.
  • Garnish with parsley (optional) and serve immediately.
  • Enjoy!


Flounder is a lean fish packed with protein, making it a great option for the main course. This recipe is also relatively quick and easy to prepare, so it's perfect for a busy weeknight meal.
Keyword How Long to Bake Flounder at 375ºF
Tried this recipe?Let us know how it was!

Should I cover the flounder with foil?

There is no need to cover the flounder with foil when baking it. Covering the fish can actually lead to it steaming rather than baking, which can dry it out. If you are concerned about the fish drying out, add a bit of water or white wine to the pan before cooking.

This will create a bit of moisture in the oven, which will help keep the fish moist.

How do I know when the flounder is done?

The best way to tell if a flounder is done is to check the internal temperature with a meat thermometer. The FDA recommends an internal temperature of 145 degrees Fahrenheit for fish

If the flounder is still pink in the center, it needs to cook for longer. You can also tell if a flounder is done by gently pressing down on the top with a fork. It is done if it flakes easily and the meat is no longer translucent. 

Finally, keep in mind that cooking times will vary depending on the size and thickness of the flounder. As such, it is always best to use a meat thermometer to ensure the flounder is cooked.

Can I add or replace some ingredients in this recipe?

Of course! This recipe is versatile, so feel free to add or replace ingredients as you see fit. For example, you could try using different herbs and spices for seasoning the flounder.

Some other good options include garlic, dill, or basil. 

You could also add a few bread crumbs to the top of the fish for a crispy topping. If you’re looking for a heartier meal, you could try serving the flounder over a bed of rice or quinoa. 

Finally, if you’re not a fan of lemon juice, you could try using white wine or vinegar instead. Just get creative and have fun with it!

Tips and tricks for a better recipe

Spices for this recipe

First of all, if you don’t have flounder, any white fish will work just as well.

  • Season the fish with whatever herbs and spices you like.
  • Try adding a bit of garlic or onion for extra flavor.
  • If you want a crispy coating on your fish, you can try coating it with breadcrumbs before baking.
  • For a healthier option, bake the fish in parchment paper or foil instead of oil or cooking spray.
  • You can also grill the flounder fillets if you prefer. Just be sure to oil the grill grates beforehand, so the fish doesn’t stick.
  • Use fresh lemon juice for best results.
  • If you don’t have parsley, you can use any other fresh herb such as thyme or basil.
  • Don’t overcook the flounder, or it will become dry and rubbery. Cook it just until it flakes easily with a fork.
  • Serve the flounder with your favorite sides. Some good options include rice, potatoes, vegetables, or a salad.
  • You can also use this recipe to make fish tacos. Just shred the cooked flounder and use it for soft tacos shells or tortilla filling.
  • If you have leftovers, flounder makes great fishcakes. Mix the shredded fish with some egg, breadcrumbs, and seasonings, form into patties, and pan-fry until golden brown.
  • You can also freeze cooked flounder for future use. Just place it in an airtight container and store it in the freezer.

Finally, reheat frozen flounder in the oven, microwave, or stovetop. This recipe can also be easily doubled or tripled to feed a larger crowd.

Final Words

This recipe for baked flounder is so simple, healthy, and delicious that anyone can easily make it without any prior cooking knowledge.

It can be easily customized to suit your taste and is perfect for a quick and easy weeknight meal. Just be sure not to overcook the flounder, or it will become dry and rubbery.

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