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Home » Recipes » Seafood Recipes

Crab Stuffed Flounder Recipe

Published: May 10, 2022 by Chef Dennis Littley

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My Crab Stuffed Flounder Recipe is the ultimate restaurant-quality dish that you can make in your own kitchen.

Sweet crab meat blended with an easy-to-make imperial sauce stuffed between fillets of ocean-fresh flounder couldn’t be easier to make. Whether it’s for your next dinner party or date night, be prepared to impress your guests with this delicious seafood dish.

Stuffed flounder on a white plate with asparagus and lemons


 

One of the most popular dishes on my restaurant menu at the Jersey shore was flounder stuffed with crab imperial.

If you were a seafood lover, my stuffed flounder was at the top of the list of choices. One of my other favorites is my baked seafood casserole.

overhead view of stuffed flounder and asparagus on a white plate with lemon circles

The secret is in the imperial sauce, which takes 3-5 minutes to make. And that same sauce mixed with crab meat can be used to make Crab Cakes, Crab Imperial, Stuffed Lobster Tail, and so much more!

Table of Contents:
  • Ingredients to make Stuffed Flounder?
  • WHAT TYPE OF CRAB MEAT CAN I USE?
  • What other types of fish can I stuff with Crab Imperial?
  • How do I make Imperial Sauce?
  • How do I make Crab Stuffed Flounder?
  • Recipe FAQ’s
  • More Crab Meat Recipes You’ll Love!
  • Recipe: Crab Stuffed Flounder

Ingredients to make Stuffed Flounder?

ingredients to make stuffed flounder

Let’s start by gathering the ingredients we need to make Stuffed Flounder. In Chef Speak, this is called the “Mise en Place,” which translates to “Everything in its Place.”

Not only does setting your ingredients up ahead of time speed up the cooking process, but it also helps ensure you have everything you need to make the dish.

*My choice of crabmeat is always from blue crabs, and while I do love fresh flounder fillets, frozen is definitely acceptable.

WHAT TYPE OF CRAB MEAT CAN I USE?

The source of crab meat can be from any part of the world that has crabs and includes varieties such as Blue Swimming, Dungeness, Snow, King, and of course, my favorite is Blue Crab from the east coast and gulf of the US.

  • Jumbo lump crab meat
  • Lump crab meat
  • Backfin crab meat
  • Claw crab meat
  • Imitation crab meat

What other types of fish can I stuff with Crab Imperial?

If you want the same type of presentation, fish fillets that are thin work best.

  • Tilapia
  • Sea Bass
  • Sole
  • Turbot

But any fish can be topped with crab imperial. The stuffing doesn’t have to go between the fillets, it can simply go on top of the fish before baking.

How do I make Imperial Sauce?

ingredients for imperial sauce in one bowl, with the finished sauce in another bowl

The first step is making the imperial sauce for the crab meat. In a small bowl, mix all the ingredients for the imperial sauce together until well blended.

finished crab imperial mix in glass bowl

Gently blend the sauce into the crab meat, don’t add it all in, in case you don’t need quite that much sauce.

How do I make Crab Stuffed Flounder?

four images showing how to make stuffed flounder
  • Place a small piece of flounder on the sheet pan. This will be the placeholder for the crab meat.
  • Add four ounces (or more) of the crab imperial mixture on top of each fillet.
  • Place a piece of flounder on each side of the stuffing, leaving the top visible. It will look great as it browns, and you want your guests to see all of that lovely crab meat!
  • Place a little water in the pan with a squeeze of lemon juice. This will help keep the stuffed flounder moist, and if you’re feeling really decadent, brush the stuffed flounder with a little melted butter (that’s how we would have done it in the restaurant). It’s definitely worth the extra effort!

*You can also make the stuffed flounder in individual au gratin style baking dishes.

cooked stuffed flounder on a small sheet pan

Bake the Flounder stuffed with crab meat at 350 degrees F for 25-30 minutes or until you reach an internal temperature of 165 degrees.

*If you want the top to be extra brown, make the last minutes under the broiler.

overhead view of stuffed flounder on a white plate with lemon circles

The nice thing about this dish is that it can be prepped ahead of time, so the only work you really have to do is pop it in the oven when your guests arrive.

Recipe FAQ’s

What is Crab Imperial?

Crab Imperial is a classic American dish made with crabmeat that has been combined with an imperial sauce made with mayonnaise, egg, lemon juice and old bay seasoning. It is used as a stuffing for various seafood and can be baked in small shallow baking dishes or decorative shells. No bread is used in crab imperial!

What temperature should stuffed flounder be cooked to?

The flounder itself can be cooked to 140 degrees, but the imperial crab meat stuffing needs to reach 165 degrees to be safe because it contains raw egg.

Is Flounder the same as Fluke?

Flounder as, known as winter flounder, faces right with its mouth up. Fluke is also known as summer flounder, faces left with its mouth up. The flavor of both fish is mild and very similar. Some say the texture of fluke is better.

More Crab Meat Recipes You’ll Love!

  • overhead shot of baked crab imperial on a white plate with sauteed greens and roasted potatoes
    Maryland Style Jumbo Lump Crab Imperial
  • Lobster stuffed with crab Imperial
    Stuffed Lobster Tail
  • Famous Lump Crab cake on a glass plate with a salad on the side
    Easy Crab Cakes Recipe
  • overhead view of crab meat stuffed shrimp on a white plate with cocktail sauce and lemons
    Crab Stuffed Shrimp

Did you make this? Please RATE THE RECIPE below!

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overhead view of stuffed flounder on a white plate with lemon circles

Crab Stuffed Flounder

Chef Dennis Littley
One of my favorite restaurant-style dishes will always be stuffed flounder.  And It’s easier to make than you think.  Why not turn dinner into a special occasion with this delicious recipe?
4.89 from 150 votes
Print Recipe Pin Recipe
Prep Time 15 minutes mins
Cook Time 25 minutes mins
Total Time 40 minutes mins
Course Entree
Cuisine American
Servings 4
Calories 741 kcal

Ingredients
 
 

Ingredients

  • 16 ounces crab meat lump or jumbo lump
  • 24 ounces flounder fillets
  • 2 Tablespoons melted butter

Imperial Sauce

  • ½ cup mayonnaise (Hellmans, Best foods or Dukes Mayo)
  • 1 large egg lightly whipped
  • 1 teaspoon fresh lemon juice
  • 1 teaspoon sugar
  • 1 teaspoon Italian parsley finely chopped
  • 1 teaspoon old bay seasoning
  • old bay sprinkle on top of the flounder before baking.

Instructions
 

  • In a small bowl mix all the ingredients for the imperial sauce together until well blended.
  • Gently blend the sauce into the crab meat, don’t add it all in, in case you don’t need quite that much sauce.
  • Place a small piece of flounder on the sheet pan. This will be the place holder for the crab meat.
  • Add four ounces (or more) of the crab imperial mixture on top of each fillet.
  • Place a piece of flounder on each side of the stuffing, leaving the top visible. It will look great as it browns, and you want your guests to see all of that lovely crab meat!
  • Place a little water in the pan with a squeeze of lemon juice. This will help keep the stuffed flounder moist, and if you’re feeling really decadent, brush the stuffed flounder with a little melted butter (that’s how we would have done it in the restaurant) and a sprinkle of old bay or paprika. It's definitely worth the extra effort!
  • Place the baking dish in a 350 degree preheated oven for 20-25 minutes. It’s important not to let the flounder dry out, but you do want your crab imperial to be hot enough (if you have a food thermometer check its internal temperature to make sure its at least 165 degrees).
  • Serve with your favorite side dish and sit back and enjoy!

Nutrition

Calories: 741kcalCarbohydrates: 4gProtein: 45gFat: 59gSaturated Fat: 15gCholesterol: 259mgSodium: 1938mgPotassium: 533mgSugar: 3gVitamin A: 615IUVitamin C: 13.8mgCalcium: 110mgIron: 1.8mg
Tried this recipe? Pin it for Later!Mention @askchefdennis or tag #askchefdennis!

Comments

    4.89 from 150 votes (122 ratings without comment)

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    Recipe Rating




  1. Guy says

    February 12, 2025 at 4:22 am

    4 stars
    The taste was good, but the texture of the crab mixture was off-putting. It gave the dish an overall sogginess.

    Reply
    • Rue says

      May 03, 2025 at 2:22 pm

      5 stars
      Love this recipe and have made multiple times as it’s a home date night pleaser! Was just curious if I can freeze the leftover stuffing to make dinners easier in the future or if this is something that should be eaten rather quickly

      Reply
      • Chef Dennis Littley says

        May 03, 2025 at 4:43 pm

        You can. Generally its not a good idea to freeze crabmeat, but the sauce will help it freeze without damage to the crabmeat. Just an FYI, if you add bread crumbs to the leftovers, you can make crabcakes out of the stuffing and those freeze really well.

  2. Dennis Sugumele says

    November 02, 2024 at 9:56 am

    Greetings!
    You indicate that the recipe serves 4, but the instructions state that you should use 1/2 the crab mixture on each filet. Should that be 1/4 of the mixture on each filet?
    Also, how far in advance can this be made before baking, and does it need to be refrigerated. Many thanks. I look forward to making this recipe later this month.

    Reply
    • Chef Dennis Littley says

      November 02, 2024 at 10:23 am

      Thanks for catching that. It should be 1/4 of the crabmeat mixture. You can make it up 6-8 hours ahead of time and it does need to be refrigerated. Longer than that and the imperial mixture will start to weep.

      Reply
    • Janet M Larson says

      March 13, 2025 at 11:04 pm

      5 stars
      I have made this several times. I substitute shrimp chopped up instead of crab and it comes out delicious everytime. I substitute only because my spouse doesn’t like crab. I’m making it again tomorrow!

      Reply
      • Chef Dennis Littley says

        March 14, 2025 at 9:12 am

        I’m happy to hear you enjoyed the stuffed flounder, and shrimp is a good substitute for the crabmeat.

  3. Jo Ann says

    October 26, 2024 at 10:25 am

    5 stars
    I have made this recipe many times and it always turns out delicious. I wouldn’t change a thing.

    Reply
    • Chef Dennis Littley says

      October 27, 2024 at 7:23 pm

      Thank you for letting me know you’ve been enjoying my stuffed flounder recipe! It was always a favorite during my restaurant days in the Jersey shore.

      Reply
  4. Hanne Funk says

    October 14, 2024 at 11:05 am

    Going to try this recipe tonight as my husband went flounder gigging last night. Wondering what you suggest to serve with it? Maybe a light pasta? I’m not sure. Looking forward to trying it!!

    Reply
    • Chef Dennis Littley says

      October 14, 2024 at 11:16 am

      It all depends on your tastes. A light pasta would be nice, with a salad. Any green vegetable and a potato or rice dish are also good choices.

      Reply
  5. Christine says

    February 08, 2024 at 2:16 pm

    5 stars
    I absolutely love this recipe. It’s so easy but looks so extravagant and decadent when served. I make it in individual dishes for dinner parties and it never fails to go down really well. I also like that I can make it in advance so can spend time with guests.

    Reply
    • Chef Dennis Littley says

      February 08, 2024 at 2:24 pm

      I’m happy to hear you’ve been enjoying my stuffed flounder recipe! Its one of my wifes favorite dishes.

      Reply
  6. Sandy Monahan says

    February 02, 2024 at 10:09 am

    Can this be made with Shrimp in stead of Crab?

    Reply
    • Chef Dennis Littley says

      February 02, 2024 at 10:12 am

      the recipe would need to be reworked. The imperial sauce wouldn’t work as well with shrimp. I have another stuffed flounder recipe that you could easily add shrimp to -> https://www.askchefdennis.com/stuffed-flounder-florentine-and-enstroms-toffee/

      Reply
  7. Rachael says

    July 11, 2023 at 4:04 pm

    5 stars
    Love this! Everyone was so impressed. Thank you

    Reply
  8. Russ says

    June 20, 2023 at 4:29 pm

    5 stars
    I used fresh ling instead of flounder. Other then that i followed the recipe as is. Came out great. Very easy and the taste in amazing.

    Reply
    • Chef Dennis Littley says

      June 20, 2023 at 10:10 pm

      I’m happy to hear you enjoyed the dish Russ!

      Reply
  9. Teri says

    May 31, 2023 at 5:43 pm

    5 stars
    THIS was absolutely fantastic!!!

    Reply
    • Chef Dennis Littley says

      May 31, 2023 at 6:26 pm

      thank you, I’m very happy to hear you enjoyed the flounder!

      Reply
  10. Russ says

    May 17, 2023 at 4:26 pm

    5 stars
    I used fresh ling and canned claw meat. We love ling and claws. Cooked it exactly as you said. Added a side of baked asparagus, and it was a meal fit for a King. Great, not good but great recipe. Thanks. We will be trying more of your recipes.

    Reply
    • Gregory says

      July 05, 2024 at 6:50 pm

      5 stars
      My wife and I had crab stuffed flounder on our first date over 30 years ago and I used your recipe for our anniversary dinner earlier this year.
      Definitely a family favorite now and better than anything we’ve had at restaurants.
      Substituted turbot for the flounder and now I have a new favorite fish! Thanks for the wonderful recipe.

      Reply
  11. Brenda says

    May 07, 2023 at 3:09 pm

    5 stars
    Found this recipe on line…..OMG it was so good! Followed recipe as it was written I am sorry Mom but this was BETTER than yours which i grew up on and have made for years! I used fresh flounder and fresh lump crab meat the only way to go!! thank you so much for a delicious recipe!!

    Reply
    • Chef Dennis Littley says

      May 07, 2023 at 3:15 pm

      I’m happy to hear you enjoyed my stuffed flounder, it’s one of my wife’s favorite dishes.

      Reply
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My name is Chef Dennis Littley, creator and owner of Ask Chef Dennis Productions. As a classically trained chef with 40+ years of experience in the kitchen, I share my time-tested recipes, knowledge, and chef tips to help you create easy-to-make restaurant-quality meals in your home kitchen.

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