This Baked Fish with Lemon Butter is a simple, elegant, and flavorful seafood dish that comes together in under 25 minutes. Tender white fish fillets are seasoned, topped with garlic butter and fresh lemon juice, then baked to perfection. It’s a fuss-free recipe ideal for weeknight dinners or for impressing guests without spending hours in the kitchen.

Full Recipe: 

Ingredients

• 1 ½ lb white fish fillets (such as cod, halibut, haddock, or tilapia)

• 2 tablespoons butter, cut into small pieces

• 1 teaspoon garlic powder

• ½ lemon, juiced

• ½ teaspoon salt

• ½ teaspoon freshly ground black pepper

• 1 tablespoon minced parsley, to serve

Directions

1. Preheat your oven to 400ºF (200ºC).

2. Pat the fish fillets dry with paper towels. Season both sides with garlic powder, salt, and pepper.

3. Place the fish in a baking dish and scatter the butter pieces on top. Squeeze the lemon juice evenly over the fillets.

4. Bake for 10–12 minutes, or until the fish flakes easily with a fork.

5. Garnish with fresh parsley and lemon slices before serving. Enjoy immediately!

Nutrients (Per Serving – Estimated)

• Calories: ~210 kcal

• Protein: ~28g

• Fat: ~9g

• Carbohydrates: ~1g

• Fiber: 0g

• Sugar: 0g

Why Baked Fish Is the Ultimate Weeknight Hero

Busy weeknights demand meals that are quick, easy, and satisfying. This baked fish recipe is exactly that. With a cook time of under 25 minutes and almost no hands-on prep, it’s a lifesaver when you need something nutritious and delicious on the table fast. There’s no need to fry or fuss—just season, bake, and serve. It’s ideal for those days when time is short but you still want to serve something wholesome and made with care.

The Magic of Lemon and Butter

The flavor combination of lemon and butter is a classic for a reason. Lemon brings brightness and acidity that balances the rich, silky nature of butter. Together, they elevate the mild flavor of white fish, turning each bite into a tender, zesty experience. The lemon cuts through any potential oiliness and keeps the dish feeling light, while the butter melts into the fish during baking, creating a self-basting effect that locks in moisture and flavor.

The Versatility of White Fish

This recipe works beautifully with a wide variety of white fish, which makes it easy to adapt depending on what’s available or what your personal preferences are. Cod is a common favorite for its flakiness and mild flavor, while halibut offers a firmer texture. Tilapia and haddock are more budget-friendly choices that still deliver great results. Because the seasoning and lemon butter sauce are so complementary, this method works well with almost any type of mild fish you have on hand.

A Healthy Choice Without Sacrificing Flavor

Fish is a lean protein that’s rich in nutrients like omega-3 fatty acids, which are beneficial for heart and brain health. Unlike many other seafood preparations that may involve frying or heavy sauces, this baked fish keeps things light and nourishing. It’s naturally low in carbs, sugar-free, and can easily be paired with healthy sides like roasted vegetables, steamed greens, or a fresh salad. You’re getting a nutrient-dense meal that satisfies without being heavy.

Dairy-Free or Keto-Friendly? Easy Adaptations

For those following specific diets, this recipe is easily adjustable. If you’re avoiding dairy, simply swap the butter for a plant-based alternative like olive oil or vegan butter. If you’re on a keto or low-carb plan, this recipe is already well-suited to your needs thanks to its high protein and low carbohydrate profile. The minimal ingredients and straightforward cooking method make it a natural fit for many dietary lifestyles without any loss of flavor.

Impress Guests With Minimal Effort

Sometimes the simplest dishes make the biggest impact. Baked Fish with Lemon Butter is the kind of meal that looks and tastes elegant enough for entertaining, yet it doesn’t require complex culinary skills. When served with lemon slices and a sprinkle of fresh herbs, it presents beautifully and feels like a special occasion meal. You can even prepare the seasoning and toppings in advance, pop it into the oven as guests arrive, and serve something stunning in no time.

Ideal for Beginner Cooks

If you’re just starting out in the kitchen or feel intimidated by cooking seafood, this recipe is a great introduction. It’s nearly impossible to mess up—the key is just not to overbake. The fish is done when it flakes easily with a fork, a reliable visual cue that takes out the guesswork. Plus, the ingredient list is short and straightforward, so there’s nothing overwhelming. It’s a confidence-building dish that delivers excellent results even with minimal experience.

Serving Suggestions to Complete the Meal

This baked fish pairs wonderfully with a variety of sides that complement its light, lemony profile. Consider roasted asparagus, sautéed spinach, herbed quinoa, or a simple rice pilaf to round out the meal. A crisp glass of white wine like Sauvignon Blanc or Pinot Grigio is a perfect match if you’re planning a date night or dinner party. For something heartier, serve it with garlic mashed potatoes or a creamy risotto to soak up the lemon butter sauce.

Prep Ahead for Convenience

While the dish itself comes together quickly, you can streamline your dinner routine even more by prepping ahead. Pat the fish dry, season it, and store it in the fridge covered until you’re ready to bake. You can also prepare the butter and lemon juice mixture in advance and simply drizzle it on before it goes into the oven. These small steps make it even easier to have a homemade, flavorful dinner ready with minimal last-minute effort.

Great for Meal Planning and Leftovers

Although baked fish is best enjoyed fresh, it can be stored in an airtight container in the fridge for up to two days. Gently reheat it in the oven or a covered pan to maintain its texture. Leftovers can also be repurposed creatively—flaked over a salad, mixed into a grain bowl, or turned into a light fish taco with some slaw and avocado. It’s a great way to reduce food waste while enjoying a second meal with zero extra work.

Nutrient Profile You Can Feel Good About

Each serving of this baked fish offers high-quality protein without added sugars or excessive fat. The use of minimal butter provides just enough richness to enhance the flavor while keeping the calorie count reasonable. With under 10 grams of fat per serving, almost no carbs, and around 28 grams of protein, it’s a smart choice for those monitoring their macros or aiming to eat clean without giving up delicious meals.

Conclusion

Baked Fish with Lemon Butter is a timeless, foolproof recipe that makes healthy eating both easy and enjoyable. Its fresh, citrusy flavor, tender texture, and no-fuss preparation make it a weeknight favorite and a dinner-party star alike. With just a handful of simple ingredients and a cook time of under 25 minutes, it proves that elegant meals don’t have to be complicated. Whether you’re serving your family or impressing friends, this dish delivers on flavor, simplicity, and versatility. Add it to your regular rotation and enjoy the many ways this easy, wholesome recipe can elevate your meal times.