This panko salmon recipe makes tender, flaky fillets under a crisp, golden breadcrumb topping, baked in the oven with lemon, garlic, and a little Parmesan. It is an easy weeknight main that needs no frying and pairs well with simple vegetables or rice.
Ingredients
- 4 skin-on salmon fillets, about 6 ounces (170 g) each and 1 inch (2.5 cm) thick
- 1 tablespoon (15 ml) olive oil, plus a little for the baking dish
- 1 tablespoon (15 g) Dijon mustard
- 1 teaspoon (5 ml) fresh lemon juice
- ¾ cup (45 g) panko breadcrumbs
- 2 tablespoons (10 g) finely grated Parmesan cheese
- 1 tablespoon (15 ml) melted unsalted butter
- 1 garlic clove, finely grated or minced
- 1 tablespoon (4 g) chopped fresh parsley
- ½ teaspoon (3 g) fine salt
- ¼ teaspoon (0.5 g) ground black pepper
- 4 lemon wedges, for serving
Instructions
- Heat the oven to 425°F (220°C). Lightly oil a rimmed baking sheet or shallow baking dish. Pat the salmon dry with paper towels; dry surfaces help the topping adhere. Arrange the fillets skin-side down, leaving a little space between them. If any fillets are noticeably thinner than the others, tuck the thin tail ends underneath so they cook more evenly.
- In a small bowl, stir together the Dijon mustard, lemon juice, and olive oil. Brush a thin, even layer over the top and sides of each fillet. Season with the salt and pepper.
- In another bowl, mix the panko, Parmesan, melted butter, garlic, and parsley until the crumbs are lightly coated. Press the mixture gently onto the mustard-coated tops of the salmon. Use all the crumbs, dividing them evenly; do not pack them into a dense layer, since loose crumbs crisp more readily.
- Bake for 10 to 14 minutes, depending on the thickness of the fillets. Start checking at 10 minutes. Insert an instant-read food thermometer into the thickest part of a fillet without touching the pan. Fish is safe at the USDA FSIS minimum internal temperature of 145°F (63°C). The flesh should also look opaque and separate into flakes. If the crumbs need more color once the fish is cooked, broil for 30 to 60 seconds, watching constantly so the topping does not burn.
- Let the salmon rest for 2 minutes, then serve with lemon wedges. Transfer leftovers to the refrigerator within 2 hours of cooking.
Tips
- Choose evenly sized fillets: Similar thickness helps the salmon finish at about the same time. If using a single large side of salmon, check the thickest part and expect the thinner areas to cook sooner.
- Keep the topping crisp: Pat the fish dry, and avoid covering it with foil while baking. Panko is coarser and airier than standard breadcrumbs; regular fine breadcrumbs can be substituted, but the crust will be denser and less crunchy.
- Use the thermometer: Cooking time varies with the salmon’s thickness and starting temperature. Check the thickest point of each portion, especially if the pieces are different sizes; do not rely on color alone for food safety.
- Adjust the salt for the cheese: Parmesan can be salty, so use a little less salt if your cheese is especially salty or if the salmon has been brined. For a dairy-free topping, omit the Parmesan and use olive oil instead of butter; the crumbs will taste less rich but still brown.
Serving Suggestions
Serve the salmon hot with roasted asparagus, green beans, broccoli, or a crisp salad. Rice, mashed potatoes, or roasted baby potatoes make a satisfying base for the lemony juices and stray crumbs. For a quick plate, add steamed vegetables and a spoonful of plain yogurt or sour cream mixed with lemon and chopped herbs. Keep additional lemon wedges at the table so diners can brighten their portions to taste.
Variations
- Herb and lemon: Add 1 teaspoon (2 g) finely grated lemon zest and replace the parsley with dill, chives, or a mixture of fresh herbs.
- Spicy crust: Mix ¼ teaspoon (0.5 g) cayenne or ½ teaspoon (1 g) smoked paprika into the crumb mixture. Use less cayenne for mild heat.
- Gluten-free: Replace the panko with an equal volume of gluten-free panko-style crumbs. Check the package for crispness and follow the same method; finely crushed rice crackers also work, though they give a saltier, more compact crust.
- No Parmesan: Leave it out and add 1 tablespoon (8 g) extra panko. A teaspoon of nutritional yeast can add a savory note, but it will not melt or brown like cheese.
- Air fryer: Cook in a single layer in an air fryer preheated to 400°F (205°C), checking after 7 minutes and continuing until the thickest part reaches 145°F (63°C). Time depends on the appliance and fillet thickness; cook in batches rather than crowding the basket.
Storage and Reheating
Refrigerate cooked salmon in a covered, shallow container within 2 hours. It keeps for 3 to 4 days in the refrigerator at 40°F (4°C) or colder. To freeze, wrap cooled portions airtight and freeze for up to 2 months for best quality; thaw overnight in the refrigerator. The crumb topping will soften during storage and may not become as crisp again.
Reheat portions in a 300°F (150°C) oven for about 10 to 15 minutes, or until the center reaches 165°F (74°C), the USDA FSIS temperature for reheated leftovers. A toaster oven works well for one portion. The microwave is quicker but softens the crust; use short bursts and check that the salmon is heated through. Reheat only the amount you plan to eat.
Frequently Asked Questions
Can I use frozen salmon?
Yes. Thaw it completely in the refrigerator, then pat it very dry before adding the mustard and crumbs. Baking from frozen is not recommended for this method because the topping can brown before the fish cooks evenly.
Should I remove the salmon skin?
No. Baking skin-side down helps the fillets hold together and makes them easier to lift from the pan. The skin is edible if you like it; otherwise, the cooked flesh can be separated from it when serving.
Can I prepare the topping ahead?
You can mix the crumbs, Parmesan, garlic, and parsley a day ahead and refrigerate them in a covered container. Add the melted butter shortly before baking so the mixture does not become soggy. For the best texture, assemble and bake the salmon just before serving.
How can I tell if the salmon is done without a thermometer?
A thermometer is the reliable way to confirm the USDA FSIS safe minimum of 145°F (63°C). Without one, check that the thickest part is opaque and flakes with gentle pressure, but appearance alone cannot confirm a safe temperature.
Why did my panko topping fall off?
The fish may have been damp, or the topping may not have been pressed gently into the mustard coating. Pat the surface dry before assembling and press the crumbs lightly so they cling without forming a heavy packed layer.
Can I make this recipe without mustard?
Yes. Brush the salmon with mayonnaise or a thin coating of olive oil instead; either can help the crumbs adhere. Mayonnaise gives a richer topping, while oil leaves the lemon, garlic, and Parmesan flavors more prominent.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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