Baked Lemon Butter Flounder

This Baked Lemon Butter Flounder is a light, flavorful, and easy-to-make seafood dish perfect for a quick and healthy dinner. The combination of melted butter, fresh lemon juice, garlic, and dill enhances the delicate flounder fillets, creating a tender and flaky texture. With just a few simple ingredients, this dish is both refreshing and satisfying. Serve it with steamed vegetables, rice, or a side salad for a complete meal.

Full Recipe:

Ingredients

  • Unsalted Butter – 4 tbsp, melted
  • Fresh Lemon Juice – 3 tbsp
  • Lemon Zest – from 1 lemon (about 1 tbsp)
  • Fresh Garlic – 1 tbsp, minced
  • Dried Dill – ¼ tsp
  • Flounder Fillets – 5 (4 oz each)
  • Kosher Salt & Black Pepper – to taste
  • Lemon Slices – 1 small lemon, thinly sliced (optional)
  • Fresh Parsley – chopped, for garnish (optional)

Directions

  1. Preheat Oven:
    • Preheat your oven to 425°F (218°C).
    • Lightly spray a large baking dish or rimmed baking sheet with cooking spray.
  2. Prepare the Butter Mixture:
    • In a medium bowl, mix together the melted butter, lemon juice, lemon zest, garlic, and dried dill.
  3. Season the Fish:
    • Rinse the flounder fillets and pat them dry with a paper towel.
    • Place the fillets in the prepared baking dish and season with salt and black pepper to taste.
  4. Add the Lemon Butter Sauce:
    • Evenly drizzle the butter mixture over the fillets.
    • Top with lemon slices if desired.
  5. Bake & Broil:
    • Bake for 10-11 minutes.
    • Switch the oven to broil on high and cook for an additional 3-4 minutes, or until the fish flakes easily with a fork.
  6. Garnish & Serve:
    • Sprinkle with fresh chopped parsley before serving (optional).
    • Enjoy with a side of rice, roasted vegetables, or a fresh salad.

Nutrients (Per Serving – Approximate Values)

  • Calories: 190 kcal
  • Carbohydrates: 2g
  • Protein: 24g
  • Fat: 10g
  • Saturated Fat: 5g
  • Cholesterol: 75mg
  • Sodium: 150mg
  • Fiber: 0.5g
  • Sugar: 0.5g

Why You’ll Love This Recipe

  • Quick and Easy – Ready in under 20 minutes, making it perfect for busy schedules.
  • Healthy and Nutritious – Low in calories and high in protein, making it an excellent choice for a balanced diet.
  • Light and Refreshing – The fresh lemon juice and zest brighten up the dish, keeping it fresh and flavorful.
  • Delicate and Flaky Texture – Flounder is naturally tender and absorbs flavors well.
  • Pairs Well with Many Sides – Complements rice, roasted vegetables, salads, or even pasta.

What is Flounder?

Flounder is a mild, white-fleshed fish that is known for its tender, flaky texture. It has a slightly sweet taste, making it ideal for light seasoning and simple preparations like baking or pan-searing. Because of its mild flavor, flounder easily takes on the flavors of herbs, butter, and citrus, making it perfect for this lemon butter-based recipe.

If flounder is unavailable, you can substitute with other mild white fish such as tilapia, cod, sole, halibut, or haddock. These fish have similar textures and work well with the same seasoning and cooking method.

The Secret to Perfectly Baked Flounder

Since flounder is a thin and delicate fish, it’s important to cook it just right to maintain its moisture and tenderness. Here are some key tips:

  • Pat the Fish Dry – Removing excess moisture allows the seasoning to stick better and prevents the fish from becoming watery while baking.
  • Use Fresh Lemon Juice and Zest – The acidity enhances the natural sweetness of the fish and keeps it from tasting bland.
  • Bake at High Heat – A hot oven (425°F) ensures that the fish cooks quickly without drying out.
  • Broil for a Golden Finish – A quick 3-4 minutes under the broiler adds a slight crispiness and caramelization to the butter sauce.
  • Don’t Overcook – Flounder cooks quickly, so check for doneness by using a fork—if it flakes easily, it’s ready!

Why Butter and Lemon Are the Perfect Match for Flounder

Butter and lemon are classic ingredients in seafood dishes because they enhance the fish’s delicate flavor without overpowering it.

  • Butter – Adds richness and depth, complementing the mild flavor of flounder.
  • Lemon Juice & Zest – The citrus cuts through the butter’s richness and keeps the dish light and refreshing.
  • Garlic & Dill – Infuses the sauce with a savory, aromatic touch that pairs beautifully with the fish.

This simple yet flavorful sauce seeps into the fish as it bakes, keeping it moist, tender, and full of bright, fresh flavors.

The Importance of Using Fresh Ingredients

For the best flavor, always use fresh ingredients whenever possible:

  • Fresh Lemon Juice – Provides a brighter and more natural citrus flavor than bottled lemon juice.
  • Fresh Garlic – Delivers a deeper, more aromatic taste compared to garlic powder.
  • Fresh Parsley (Optional Garnish) – Enhances the presentation and adds a burst of fresh, herby flavor.

Best Side Dishes for Baked Lemon Butter Flounder

This dish pairs well with a variety of side dishes, allowing you to customize it based on your preference.

Light and Healthy Sides

  • Steamed Asparagus – A simple, nutritious side that complements the freshness of the fish.
  • Garlic Herb Quinoa – A protein-packed alternative to rice that absorbs the buttery sauce.
  • Roasted Brussels Sprouts – Adds a slightly crispy and caramelized texture to the meal.
  • Zucchini Noodles (Zoodles) – A low-carb option that works well with the lemony sauce.

Classic Comfort Sides

  • Garlic Mashed Potatoes – Creamy and buttery, making it a comforting addition to the dish.
  • Buttered Rice or Lemon Herb Rice – A classic pairing that soaks up the sauce beautifully.
  • Oven-Roasted Potatoes – A crispy and hearty side that balances the lightness of the fish.
  • Crusty Bread – Perfect for soaking up every last drop of the delicious lemon butter sauce.

How to Store and Reheat Leftovers

If you have leftovers, you can easily store and reheat them while maintaining the fish’s flavor and texture.

  • Refrigeration: Store in an airtight container for up to 3 days.
  • Freezing: Not recommended, as flounder can become mushy when thawed.
  • Reheating:
    • Oven Method: Place in a preheated 350°F oven for 5-7 minutes until warmed through.
    • Stovetop Method: Reheat gently in a skillet over low heat with a splash of butter or broth.
    • Microwave Method: Use short 20-second intervals to prevent overcooking.

Creative Ways to Use Leftover Flounder

Leftover baked flounder can be repurposed into new and exciting meals:

  • Flounder Tacos – Shred the fish and serve in warm tortillas with slaw and avocado.
  • Seafood Pasta – Toss the fish with pasta, olive oil, garlic, and Parmesan cheese.
  • Fish Salad – Flake the fish over mixed greens with a lemon vinaigrette.
  • Fish Sandwiches – Serve on a toasted bun with lettuce, tomato, and tartar sauce.
  • Breakfast Scramble – Mix into scrambled eggs for a protein-packed start to the day.

Why This Dish is Perfect for Any Occasion

Baked Lemon Butter Flounder is a versatile recipe that works for various occasions:

  • Quick Weeknight Dinner – Requires minimal prep and is ready in under 20 minutes.
  • Healthy Meal Option – Packed with lean protein and omega-3s.
  • Dinner Parties & Special Occasions – Looks elegant but is incredibly simple to make.
  • Picky Eater-Friendly – The mild flavor makes it appealing to those who don’t usually eat seafood.

Conclusion

Baked Lemon Butter Flounder is a light, flavorful, and incredibly easy seafood dish that brings together the zesty freshness of lemon, the richness of butter, and the delicate texture of flounder. This dish is perfect for seafood lovers who want a quick, healthy, and satisfying meal with minimal effort.

Whether paired with steamed vegetables, rice, or a fresh salad, this recipe delivers a restaurant-quality experience in the comfort of your own home. Try this dish today and enjoy a meal that’s simple, delicious, and packed with fresh, vibrant flavors!

 

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