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slow roasted salmon

Last updated on

July 21, 2026

1

REVIEWS

Slow Roasted Salmon with Fennel Slaw

Prep Time: 20 minutes mins
Cook Time: 35 minutes mins
Total Time: 55 minutes mins

Slow roasted sumac salmon with fennel slaw is such a flavorful dish! It’s the perfect way to change up your weeknight dinners.

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Slow roasted sumac salmon with fennel slaw is such a flavorful dish! It’s the perfect way to change up your weeknight dinners.

slow roasted salmon

Slow Roasted Salmon

Slow roasting salmon is a simple cooking method that keeps the salmon juicy and full of flavor. This sumac salmon is baked for around 35-40 minutes on a low-temp, allowing it to absorb all of the delicious spices.

The salmon is topped with a fresh fennel slaw that pairs so perfectly with the spice blend.

slow roasted salmon

This was my first time slow-roasting salmon, and it definitely won’t be my last. I used sumac as one of the main spices, which is a popular middle-eastern spice that adds a slight tangy flavor.

Not only was this dish pretty, but it packed in so much flavor. The spice combination was sweet & zesty with a little bit of heat, and came out so flakey. I served it with a side of roasted cabbage and some smashed potatoes for an ideal weeknight meal.

How to make slow roasted salmon with fennel slaw

  1. Layer the salmon fillet over thinly sliced lemon and orange slices
  2. Season the salmon with a marinade made from olive oil, a blend of spices including sumac, paprika, and cayenne pepper, fresh parsley, lemon zest and honey
  3. Slow-roast the salmon on 275 F for 30-40 minutes, depending on preferred doneness
  4. Top the salmon with a simple fennel slaw made from thinly shaved fennel, shallots, olive oil, lemon juice, and salt & pepper

How long should you bake the salmon

Baking time will vary depending on a few things:

  • the size of the fish- a larger fillet close to 2 lbs will likely take about 35-40 minutes
  • the type of baking dish- glass cookware is slower to heat so may require additional cook time (extra 10-12 minutes)
  • preferred doneness- if you like your salmon well done, I would add another 10 minutes to the suggested cook time

You’ll know your salmon is cooked when a fork comes out easily without resistance, or the thickest part of the fish flakes easily

Slow roasted salmon with fennel slaw is a delicious way to eat more fish. I’m obsessed with this recipe and can’t wait for you guys to try it!

What to serve with your slow roasted salmon:

Za’atar Roasted Cauliflower

Lemon & Herb Smashed Potatoes

Orzo Kale Salad with Lemon Vinaigrette

Slow Roasted Salmon with Fennel Slaw

4 from 1 vote
Pin It Print SaveSaved!
Serves: 4 servings
Prep Time: 20 minutes mins
Cooking Time: 35 minutes mins
Total Time: 55 minutes mins
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Ingredients

  • 1.5 -2 lbs salmon
  • 3 tbsp olive oil
  • 1 tbsp honey
  • 2 tbsp fresh chopped parsley
  • 2 cloves garlic, crushed
  • 1 tsp lemon zest
  • 1 tsp sumac
  • 1 tsp paprika
  • 1/2 tsp salt
  • 1/2 tsp black pepper
  • 1/4 tsp cayenne pepper
  • Thinly sliced lemon and orange slices, for garnish
  • Fresh lemon juice, to top

Fennel Slaw

  • 1 fennel bulb
  • 1 shallot
  • 2 tbsp olive oil
  • Juice from 1/2 lemon
  • 2 tbsp fresh parsley
  • Salt & pepper

Directions

  1. Preheat the oven to 275 F
  2. Prepare the salmon marinade by combining the olive oil, honey, crushed garlic, parsley, spices and lemon zest together in a small bowl.
  3. Layer thinly sliced lemon and orange slices on a parchment lined sheet-pan, then place the salmon fillet over the citrus.
  4. Pour the marinade over the salmon and brush it to evenly coat the fish.
  5. Bake the salmon for 30-40 minutes. Time will vary depending on the thickness and size of the fish. My piece was a little less than 2 lbs and took about 35 minutes. If you prefer a bit more well done, bake for about 40-45 minutes. The thickest part of the salmon should flake easily, and a fork should slide through without resistance when its ready.
  6. While the salmon bakes, prepare the fennel slaw by thinly slicing the fennel and shallot using a vegetable peeler or a mandolin.
  7. Add the shaved vegetables to a bowl with the parsley and toss in the olive oil, lemon juice and salt & pepper
  8. Once the salmon is ready, top with a fresh squeeze of lemon juice and serve with the fennel slaw. You can serve this recipe warm or at room temperature.
  9. For leftovers, you can store the fennel slaw separately, or reheat the salmon with the fennel slaw on top

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I’m Gal, the face behind Something Nutritious. I’m a registered dietitian and recipe developer living in Florida with my husband and dog, and I love to get creative in the kitchen.

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Ratings and Reviews

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Alison says:
October 24, 2024 at 1:47 am
Alison
24.10.2024
Perfect nutritious dinner
4 stars
What a great find! Delicious, will be in my rotation of recipes. My salmon was a bit thicker so needed some more dressing as the flavours were a little light. I would also bake it to be slightly under as residual heat can dry this out.
Reply
Gal Shua-Haim says:
October 24, 2024 at 11:44 am
Gal Shua-Haim
24.10.2024

Thank you, Alison. So happy you tried it! Definitely agree with the under baking- it all depends on the fish thickness, size and personal preference.

Reply

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