This lemon-garlic baked salmon pairs oven-roasted fillets with a quick glaze of Dijon mustard, honey, lemon, and garlic. It is a straightforward dinner for four: the sauce takes minutes to stir together, and baking keeps the fish tender while giving it a bright, lightly sweet finish.
Ingredients
- 4 salmon fillets, about 6 oz (170 g) each, skin on or off, thawed if frozen
- 1 tbsp (15 ml) olive oil
- 1½ tbsp (22 ml) Dijon mustard
- 1 tbsp (15 ml) honey
- 2 tbsp (30 ml) fresh lemon juice, plus 1 lemon for wedges if desired
- 1 tsp finely grated lemon zest (about 2 g)
- 2 garlic cloves, finely grated or minced (about 6 g)
- ½ tsp (1 g) sweet paprika
- ¾ tsp (4 g) fine salt
- ¼ tsp (0.5 g) freshly ground black pepper
- 2 tbsp chopped fresh parsley (about 8 g), for serving
Choose fillets of similar thickness so they finish cooking at about the same time. If buying one large piece instead, use a center-cut section of roughly 1½ lb (680 g) and check its thickest point for doneness. Fresh or properly thawed frozen salmon both work; pat thawed fish dry so excess moisture does not dilute the glaze.
Instructions
- Heat the oven and prepare the pan. Set a rack in the center of the oven and heat it to 400°F (204°C). Line a rimmed baking sheet with parchment paper or foil for easier cleanup. The 15-minute prep estimate assumes the oven heats while you prepare the fish and sauce; if your oven needs longer, allow for that additional time.
- Mix the glaze. In a small bowl, stir together the olive oil, Dijon, honey, lemon juice, lemon zest, garlic, paprika, salt, and black pepper until blended. The mixture will be thick but brushable. If the honey is firm, let the bowl sit at room temperature for a minute and stir again rather than heating it separately.
- Arrange the salmon. Blot the fillets dry with paper towels and set them on the lined pan, leaving about an inch (2.5 cm) between pieces. Put skin-on fillets skin-side down. Spoon or brush the glaze over the tops and sides, using it all and spreading it into an even layer. Wash your hands and any utensil that touched raw fish before using it for cooked fish or serving.
- Bake until done. Roast for about 14 minutes, then check the thickest part of a fillet with an instant-read food thermometer, inserting the probe from the side. Fish should reach the USDA FSIS safe minimum internal temperature of 145°F (63°C). If it has not reached that temperature, continue baking in 1- to 2-minute increments and check again. The exact time depends on thickness, starting temperature, and oven; do not rely on color or the timer alone.
- Rest and serve. Once the fish reaches 145°F (63°C), take the pan out of the oven and let the salmon rest for 3 minutes. This short rest is included in the cook time. Sprinkle with parsley and serve with lemon wedges if you like. Transfer the fish to plates with a thin spatula; skin-on portions may separate from the skin as you lift them.
Tips
- Check thickness, not just the clock. A thin tail-end portion can cook faster than a thick center-cut fillet. Start checking early if pieces are less than an inch thick, and keep the thermometer tip in the thickest area without touching the pan. For uneven portions, remove each piece as it reaches 145°F (63°C) and leave the thicker ones in the oven.
- Use a substitute thoughtfully. Whole-grain mustard can replace Dijon in the same amount, though the glaze will have a more textured, less smooth finish. Maple syrup can stand in for honey measure for measure and gives a woodsy sweetness. Bottled lemon juice works in a pinch, but fresh zest is what brings the fragrant citrus aroma, so keep the zest if possible.
- Keep the glaze on the fish. Drying the surface first helps the mustard mixture cling instead of sliding into the pan. If the fillets are damp from thawing, blot them again just before seasoning. Avoid adding a thick extra layer during baking: it can make the outside overly sweet before the center is cooked through.
- Adjust salt for your ingredients. The stated amount uses fine salt. If using a coarse kosher salt, the same volume may weigh less and taste milder, depending on the brand; season gradually and taste the glaze before it touches the raw fish. If your mustard is especially salty, start with ½ tsp (about 3 g) salt.
Serving Suggestions
Serve the salmon straight from the oven with a simple starch to catch the lemony glaze. Steamed rice, roasted baby potatoes, couscous, or buttered noodles all fit well. For vegetables, try asparagus, green beans, broccoli, or a tray of carrots and zucchini. If the sides need different oven temperatures, roast the vegetables first or cook them separately so the salmon can bake at 400°F (204°C) without being held warm too long.
A crisp green salad with cucumber and a sharp vinaigrette balances the honey in the glaze. For a more filling plate, flake the cooked salmon over rice or greens and add sliced avocado, cucumber, and a spoonful of plain yogurt mixed with lemon. Keep any raw-fish preparation separate from the cooked salmon, and do not reuse a plate or brush that held uncooked fish unless it has been washed.
Variations
Make it spicy: Add ¼ tsp (about 0.5 g) cayenne pepper or ½ tsp (about 1 g) red pepper flakes to the glaze. For milder heat, serve chili flakes at the table instead. A little heat works especially well alongside rice and a cooling cucumber salad.
Use fresh herbs: Replace the parsley garnish with 1 tbsp (about 3 g) chopped dill or chives. Dill leans into the lemon flavor, while chives add a gentle onion note. You can also stir 1 tbsp (about 3 g) chopped dill into the glaze, but avoid adding a large amount of delicate herbs before baking if you want their color and aroma to stay fresh.
Try a soy-citrus glaze: Replace the salt with 1 tbsp (15 ml) low-sodium soy sauce and replace the honey with maple syrup. This creates a saltier, more savory glaze with a different flavor profile; taste it before brushing it on and do not add extra salt unless needed. Lime juice can replace the lemon juice, but the result will taste sharper and less floral.
Cook portions in foil packets: For a softer, more gently steamed texture, place each glazed portion on a piece of foil and fold the edges into a sealed packet. Bake on a sheet pan at the same temperature, then carefully open the packets away from your face because hot steam escapes. Use a thermometer through the thickest part and cook to 145°F (63°C); a sealed packet can change the cooking time, so check rather than assuming the usual 14 minutes applies.
Storage and Reheating
Refrigerate leftover salmon within 2 hours of cooking, sooner if the room is very warm. Store it in a shallow airtight container and use it within 3 to 4 days. Keep it separate from uncooked foods, and avoid leaving it on the counter to cool for an extended period. For longer storage, freeze portions in a freezer-safe container for up to 2 to 3 months for best quality; thaw them in the refrigerator before reheating.
To reheat, place a portion in a covered oven-safe dish with a teaspoon of water or broth and warm it at 275°F (135°C) until the center reaches 165°F (74°C), the safe temperature for reheated leftovers. Check with a food thermometer. A microwave also works: cover the fish loosely, heat at medium power in short intervals, and check the center between intervals. Reheating can make salmon drier, so stop as soon as it reaches 165°F (74°C). Cold leftover salmon can also be flaked into a salad or grain bowl without reheating, provided it has been stored safely.
Frequently Asked Questions
Can I use frozen salmon?
Yes. Thaw it in the refrigerator, then pat it dry before adding the glaze. If you need to cook it directly from frozen, expect the timing to differ and check the thickest part with a thermometer; the safe minimum is still 145°F (63°C). Frozen fillets may release extra moisture, so avoid crowding the pan.
Should I remove the salmon skin?
No, it is optional. Baking skin-side down helps protect the flesh from direct heat, and the cooked fish can be lifted away from the skin when serving. If you prefer skinless fillets, line the pan well and handle them gently because they may be more likely to break when moved.
How can I tell if the salmon is cooked without a thermometer?
A thermometer is the dependable way to verify the USDA FSIS safe minimum of 145°F (63°C). Salmon may look opaque and separate into flakes when cooked, but color and flaking vary with the fish and lighting. Use visual cues as a guide to when to check, not as a replacement for measuring the temperature.
Can I prepare the glaze ahead?
Yes. Stir it together up to 1 day ahead and keep it covered in the refrigerator. Stir before using because the oil and lemon juice may separate. For food safety, do not brush glaze that has touched raw salmon onto cooked fish; set aside a clean portion for serving before it contacts the uncooked fillets.
Can I double the recipe?
Yes, double every ingredient and use two rimmed baking sheets, placing them on separate racks with room for air to circulate. Switch the pans’ positions partway through baking if your oven heats unevenly. Check each fillet individually, since pieces on different pans or of different thicknesses may reach 145°F (63°C) at different times.
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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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