Oven-Baked Mackerel with Lemon

Name: Oven-Baked Mackerel with Lemon
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Yield: 2 servings
Cuisine: Eastern European-inspired
Ingredients: 2 whole mackerel, cleaned; 1 whole lemon, sliced; 2 tbsp olive oil; 1 tsp fine salt; 1/2 tsp black pepper; 2 tbsp chopped parsley

Whole mackerel roasted with lemon, olive oil and fresh herbs.

By Savva LoginovUpdated October 2, 2026

Total 40 minMakes 2 servings

Jump to Recipe

This straightforward baked mackerel seasons whole fish with lemon, olive oil and herbs. Pat the fish dry and roast until opaque and flaky; use a thermometer to confirm a safe internal temperature. Heat oven to 190°C (375°F). Pat cleaned mackerel dry and place in a baking dish. Season inside and out with salt and pepper. Put lemon slices in the cavity and drizzle with oil. Roast 25 to 30 minutes until flesh is opaque and flakes easily; thickest part should reach 63°C (145°F). Scatter parsley over fish and serve hot. Prepare and measure ingredients before cooking. Cut ingredients into even pieces.

Recipe card

Oven-Baked Mackerel with Lemon

Prep 10 minCook 30 minTotal 40 minYield 2 servings

Adjust recipe Only numbered ingredient amounts change.

Equipment: Knife, cutting board, mixing bowl and suitable pan

Ingredients

2 whole mackerel, cleaned 1 whole lemon, sliced 2 tbsp olive oil 1 tsp fine salt 1/2 tsp black pepper 2 tbsp chopped parsley

Instructions

Prepare fish
Heat oven to 190°C (375°F). Pat cleaned mackerel dry and place in a baking dish.
Season
Season inside and out with salt and pepper. Put lemon slices in the cavity and drizzle with oil.
Bake
Roast 25 to 30 minutes until flesh is opaque and flakes easily; thickest part should reach 63°C (145°F).
Serve
Scatter parsley over fish and serve hot.

How to tell when it is ready

Thickest part reaches 63°C (145°F), flesh is opaque and flakes easily.

Tips

Prepare and measure ingredients before cooking.
Cut ingredients into even pieces.
Taste and adjust seasoning near the end.
Cool leftovers promptly and refrigerate covered.

Troubleshooting

If the dish is too dry, add a little liquid gradually.
If browning too quickly, reduce the heat.

Substitutions

Use a suitable neutral oil if needed.
Choose vegetable broth for a vegetarian version where appropriate.

Variations

Adjust herbs or spices to taste.
Add a squeeze of lemon for brightness.

Serving suggestions

Serve as part of a balanced meal.
Pair with a crisp green salad.
Offer fresh herbs at the table.
Serve with bread or a suitable grain.

Make ahead

Measure ingredients ahead; refrigerate perishable components and cook shortly before serving.

Storage

Refrigerate leftovers within 2 hours and use within 3 days.

Food safety

Contains fish. Cook fish to 63°C (145°F); prevent cross-contamination with raw seafood.

Frequently asked questions

Can I prepare this ahead?

Prepare components ahead and refrigerate promptly.

How should I store oven-baked mackerel with lemon?

Refrigerate leftovers within 2 hours and use within 3 days.

Serve promptly and refrigerate leftovers safely.

About the author

Savva Loginov

Savva Loginov writes about traditional Ukrainian cooking, including regional dishes, heritage baking and the customs behind familiar recipes. His English guides explain each dish’s context alongside clear, practical cooking instructions.