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Flounder Florentine

I discovered this recipe several years ago when I was looking looking through some flounder recipes. Even though we're not big fans of fish, we enjoy this dish. It's tasty, healthy and inexpensive. —Debbie Verbeck, Florence, New Jersey
  • Total Time
    Prep: 20 min. Bake: 20 min.
  • Makes
    4 servings


  • 2 packages (10 ounces each) frozen chopped spinach, thawed and drained
  • 1 pound flounder fillets
  • 3 tablespoons chopped onion
  • 2 tablespoons butter
  • 3 tablespoons all-purpose flour
  • 1/4 teaspoon salt
  • 1/4 teaspoon pepper
  • 1/8 teaspoon ground nutmeg
  • 1-1/2 cups fat-free milk
  • 1 tablespoon grated Parmesan cheese
  • 1/4 teaspoon paprika


  • Sprinkle spinach in a 13-in. x 9-in. baking dish coated with cooking spray. Top with fillets.
  • In a large saucepan, saute onion in butter until tender. Stir in flour, salt, pepper and nutmeg until blended. Gradually add milk. bring to a boil; cook and stir for 2 minutes or until thickened.
  • Pour over fillets; sprinkle with Parmesan cheese and paprika. Bake, uncovered, at 350° for 20 minutes or until fish flakes easily with a fork.
Nutrition Facts
1 each: 253 calories, 8g fat (4g saturated fat), 73mg cholesterol, 480mg sodium, 16g carbohydrate (0 sugars, 5g fiber), 30g protein. Diabetic Exchanges: 3 lean meat, 2 vegetable, 1/2 fat-free milk.

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Average Rating:
  • Deb
    Jan 14, 2021

    5 stars because my hubby says "it was good". He seldom says that something is good, let alone if it features spinach. I like most any thing, but would say that I did enjoy this recipe, as is (note: I followed the recipe,but used a 6 x 9 baker and used fresh spinach. I should have sauteed, drained, patted dry the spinach and then put in the baking dish, prior to the steps that followed.

  • Cheryl
    Feb 15, 2020

    Wonderful Valentines dinner!! Delish! Added garlic and Old bay seasoning to the sauce.

  • Renee
    Sep 5, 2019

    It was delicious but needed more salt and less rue.

  • pinkette
    Jan 30, 2015

    So delicious and quick. Even the kids loved it.

  • Jaguar1212
    Jan 21, 2015

    Saw a review that said it was bland so I added a little more spices, some smoked sea salt and old bay with garlic. Since I love nutmeg in these types of dishes I added a wee bit more. I used fresh spinach and topped it off with some bottled artichokes that I had in the pantry. This was outstanding!!! I would definitely make this again!!

  • ReneeMurby
    Sep 11, 2014

    I made a double batch of this and brought some over to my parents. Very simple and delicious. Melts in your mouth. This is a keeper. Will make again and again. I did add one slice of American cheese to the sauce.

  • rellmac
    Aug 14, 2013

    I was disappointed. I read all the great reviews and found it very bland. Usually I have better luck with these recipes!

  • hudock
    Apr 21, 2013

    This is so good - I made it twice in a week! Layered asparagus spears on top of the flounder - so yummy!

  • gillettcookie
    Mar 16, 2013

    i am trying to introduce fish into the family diet. I was looking for a different type of fish in the market, but came home with this instead. I didn't have the frozen spinach, but a bag of fresh. So we made the fish as directed, and made a spinach salad on the side! It was quick, simple, and every one cleaned their plates. Thanks for yet another simple meal!! :)

  • eandie
    Jan 22, 2013

    Very good, simple and easy. Definitely doesn't taste "healthy."Thank you!