Baked Fish Fillet Lemon

Freshly baked white fish fillet garnished with parsley and lemon slices, reflecting a light and healthy gluten-free dinner. Save
Freshly baked white fish fillet garnished with parsley and lemon slices, reflecting a light and healthy gluten-free dinner. | cookingwithavery.com

This dish features delicate white fish fillets baked gently with fresh lemon slices and a zesty marinade of olive oil, garlic, and herbs. The fish cooks to flaky perfection in under 20 minutes, making it a quick and healthy choice. Garnished with fresh parsley, this light entrée pairs beautifully with steamed vegetables or roasted potatoes for a balanced and satisfying experience.

My neighbor brought over a catch from the farmers market one Saturday morning, and I had maybe twenty minutes before guests arrived. The fish was beautiful and pale, barely needing anything, so I grabbed a lemon from the bowl and decided to let the oven do the work. When everyone sat down, nobody could believe how moist and delicate it was, like I'd been planning it for hours instead of throwing it together in a panic.

There's something about watching lemon slices turn golden and slightly translucent in the oven heat that makes you feel like a real cook. My daughter wandered in halfway through and asked what smelled so good, and I realized I'd made something that felt both simple and special at the same time.

Ingredients

  • White fish fillets (cod, haddock, or tilapia): Four fillets of about 150 grams each, skinless and boneless, are the heart of this dish, and choosing fresh fish makes all the difference in how tender and flaky the result will be.
  • Olive oil: Two tablespoons of good quality oil carries the flavor and keeps the fish moist without needing any cream or butter.
  • Fresh lemon: One large lemon sliced thin plus two tablespoons of juice, because the citrus is what transforms simple fish into something memorable.
  • Garlic: Two cloves minced just before cooking release their warmth without overpowering the delicate fish.
  • Salt and pepper: One teaspoon of salt and half a teaspoon of fresh ground pepper are the quiet foundation that lets everything else shine.
  • Dried oregano or thyme: One teaspoon of either herb adds an earthy note that feels Mediterranean without being heavy.
  • Fresh parsley: Two tablespoons chopped, plus more for finishing, brings a bright green moment right at the end.
  • Lemon wedges for serving: Optional but honestly, they're the little thing that makes people ask for the recipe.

Instructions

Heat and prepare:
Preheat your oven to 200°C (400°F) while you line a baking dish with parchment paper or a light brush of olive oil. This matters more than you'd think because it stops the fish from sticking and lets you slide everything onto a plate without any sadness.
Lay out the fish:
Arrange the four fillets in a single layer with a little breathing room between them so the heat can reach all sides evenly. They should look calm and ready, not crowded.
Make the simple marinade:
Whisk together the olive oil, lemon juice, minced garlic, salt, pepper, and your chosen herb in a small bowl until it looks like pale, fragrant dressing. Don't overthink it, just a fork works fine if you don't have a whisk.
Coat the fish:
Drizzle the marinade evenly over each fillet, making sure every piece gets a little of the garlic and lemon goodness.
Top with lemon:
Lay thin lemon slices on top of each fillet like you're tucking it in, covering them as evenly as you can. The lemon will soften and infuse the fish with bright flavor as it bakes.
Bake gently:
Slide the dish into the oven for 15 to 18 minutes, watching until the fish turns opaque and flakes easily when you nudge it with a fork. You'll know it's ready when it's no longer translucent at the thickest part.
Finish and serve:
Remove from the oven, scatter the fresh parsley over everything, and serve right away while it's still steaming. Offer extra lemon wedges on the side because everyone always wants them.
Flaky cod fillet with lemon and herbs arranged on a baking dish, ready for a quick weeknight meal. Save
Flaky cod fillet with lemon and herbs arranged on a baking dish, ready for a quick weeknight meal. | cookingwithavery.com

The first time I made this for my mother, she took one bite and got quiet for a moment, then said it tasted like something she'd been wanting without knowing it. That's when I understood this recipe wasn't about technique or fancy ingredients, it was about honoring the fish and getting out of its way.

Pairing and Serving

Steamed vegetables like asparagus or broccoli sit perfectly beside the fish, letting the lemon be the star player across everything. A simple green salad dressed with more lemon juice and olive oil turns this into a complete meal that feels both nourishing and elegant without any fussiness.

Customizing Your Fish

If you want to experiment, a tiny pinch of chili flakes in the marinade adds a whisper of heat, or capers scattered on top bring a salty brine moment that some people find addictive. The recipe is forgiving enough to play with, which is part of what makes it so satisfying to come back to again and again.

Timing and Flexibility

The whole thing comes together in under thirty minutes from cold oven to warm plate, which makes it perfect for weeknights when you want something that tastes like you cared. You can prep everything while the oven preheats, then walk away and let the heat do the work, knowing you've already won.

  • If your fillets are thicker than usual, add another two to three minutes and watch for that opaque moment rather than setting a timer and hoping.
  • Room temperature fish cooks more evenly than cold fish straight from the fridge, so let it sit out for five minutes before baking if you remember.
  • Leftovers stay moist for a day or two and are lovely cold with a squeeze of fresh lemon, though honestly there usually aren't any.
Tender baked fish fillet topped with lemon rounds, served alongside steamed vegetables for a low carb dinner. Save
Tender baked fish fillet topped with lemon rounds, served alongside steamed vegetables for a low carb dinner. | cookingwithavery.com

This recipe proved to me that sometimes the meals people remember most aren't the ones with a dozen ingredients and hours of work, but the ones made with real attention and a handful of honest flavors. I hope it becomes something you reach for when you want to feel like yourself in the kitchen.

Recipe FAQs

White fish varieties like cod, haddock, or tilapia are ideal due to their mild flavor and flaky texture.

The fish is done when it turns opaque and flakes easily with a fork.

Yes, dried oregano or thyme complement the flavors well, and fresh parsley adds brightness after baking.

Baking at 200°C (400°F) ensures even cooking and a tender result.

Serve alongside steamed vegetables, roasted potatoes, or a light salad for a balanced meal.

Baked Fish Fillet Lemon

Tender white fish fillets baked with lemon and herbs for a light, flavorful dish.

Prep 10m
Cook 18m
Total 28m
Servings 4
Difficulty Easy

Ingredients

Fish

  • 4 skinless, boneless white fish fillets (approximately 5.3 oz each; cod, haddock, or tilapia)

Marinade & Seasoning

  • 2 tablespoons olive oil
  • 1 large lemon, thinly sliced
  • 2 tablespoons freshly squeezed lemon juice
  • 2 garlic cloves, minced
  • 1 teaspoon salt
  • ½ teaspoon freshly ground black pepper
  • 1 teaspoon dried oregano or thyme
  • 2 tablespoons fresh parsley, chopped

Optional

  • Lemon wedges, for serving

Instructions

1
Preheat oven: Preheat the oven to 400°F. Prepare a baking dish by lining it with parchment paper or lightly greasing with olive oil.
2
Arrange fish fillets: Place the fish fillets in a single layer within the prepared baking dish.
3
Prepare marinade: In a small bowl, whisk together olive oil, lemon juice, minced garlic, salt, pepper, and dried oregano or thyme.
4
Apply marinade: Evenly drizzle the marinade over the fish fillets.
5
Add lemon slices: Layer the thin lemon slices atop each fillet, covering them evenly.
6
Bake fish: Bake for 15 to 18 minutes until the fish becomes opaque and flakes easily with a fork.
7
Garnish and serve: Remove from the oven, sprinkle with fresh chopped parsley, and serve immediately with optional lemon wedges.
Additional Information

Equipment Needed

  • Baking dish
  • Mixing bowl
  • Whisk or fork
  • Knife and cutting board

Nutrition (Per Serving)

Calories 210
Protein 30g
Carbs 4g
Fat 8g

Allergy Information

  • Contains fish. Avoid cross-contamination if gluten or other allergens are a concern. Check labels when using pre-packaged ingredients.
Avery Mitchell

Passionate home cook sharing easy recipes, cooking tips, and meal ideas for food lovers.