fish Baked Flounder With Lemon and Butter

This flavorful baked fish flounder (or sole) is baked with seasoned lemon butter. This is a very simple recipe, however, it does not skimp on taste. Serve it with the non-compulsory garlic aioli (beneath) or serve the fish with a prepared tartar sauce or pesto.

fish Baked Flounder With Lemon and Butter
fish Baked Flounder With Lemon and Butter


1 1/2 pounds flounder fillets (or sole)
1 teaspoon salt
1/8 teaspoon black pepper
4 tablespoons butter (melted)
2 tablespoons fresh lemon juice
2 onion teaspoons (finely minced)
1 teaspoon paprika (as needed)
Garnish: fresh parsley (finely chopped)
Garnish: lemon wedges (for serving)
Optional Garlic Aioli
2 medium cloves garlic
1/2 cup mayonnaise
2 tablespoons olive oil
1 tablespoon fresh lemon juice
Salt (to taste)

Steps to Make It

Gather the ingredients.

Ingredients for flounder

Butter a shallow baking dish. Preheat the oven to 325 F / 165 C / Gas 3.

Butter pan

Cut the flounder fillets into serving-size portions.

Cut flounder

Arrange the pieces in the prepared baking dish and sprinkle the fish with 1 teaspoon of salt and the freshly ground black pepper.

Cut flounder

In a small bowl or measuring cup, combine melted butter, 2 tablespoons of lemon juice and minced onion.


For the lemon-butter mixture over fish.

For over flounder

Then, sprinkle the fish with paprika.

Cover with paprika
Bake in the preheated oven for about 20 to 25 minutes or until fish is cooked through and flakes easily with a fork.

Garnish with chopped parsley and lemon wedges and serve with garlic aioli (below) if desired.

Serve the baked flounder with hot cooked rice or baked potatoes, along with steamed vegetables or a salad.

Garlic Aioli
Gather the ingredients.

Ingredients for aioli
Press the garlic into a small bowl and mash well with a fork. Or mash it with a mortar and pestle.

Press the garlic
Add the mayonnaise, olive oil, and lemon juice and whisk to blend thoroughly.

Season with salt to taste.

Add salt
Cover and chill until serving time.

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