Pan-Seared Salmon with Mushrooms & Orange

Pan-seared salmon over a pile of mushrooms that have been stewing in their own juice and orange brightness. Takes 50 minutes start to finish. Sounds harder than it is.

Why You’ll Love This Pan Seared Salmon with Mushrooms

It’s gluten free without being weird about it. Just is. No substitutions, no weird starches pretending to be flour—arrowroot does the job and moves on.

The mushrooms do something. Three kinds means you get different textures hitting at once—the oyster mushrooms stay kind of delicate, shiitake gets meaty, cremini just disappears into everything. It works.

Orange zest hits at the very end. Not cooked in, not dissolved into sauce. Fresh on top of hot salmon. Makes the whole thing taste like it was planned better than it actually was.

Cold the next day it’s still good. Sometimes better. The sauce thickens up more, the salmon doesn’t dry out the way you’d expect.

Doesn’t need much. Rice. Maybe thyme. Done.

What You Need for a Mushroom Salmon Recipe

Three mushroom types—oyster, shiitake, cremini—all cut different so they cook at different speeds. Oyster sliced thin. Shiitake bigger. Cremini quartered. If you only have one kind, it still works but it’s less interesting.

Vegan butter or olive oil for the mushrooms. Olive oil is fine. Vegan butter gets them a bit more golden but it’s not necessary.

Sun-dried tomatoes packed in oil. Drain them. Chop them small. They concentrate everything—tomato, salt, a bit of acid. Adds depth without needing to know why it works.

Avocado oil for the salmon. Olive oil burns at the temp you need. Canola works. Avocado’s just cleaner tasting. An orange. Big one. Just the zest. Save the flesh for something else.

Salmon fillets. Skinless. Four portions. One and three quarters pounds total. Arrowroot powder—two tablespoons—mixed with cold water. That’s the thickener. It’s gluten free. Vegetable broth and salt and black pepper. Thyme is optional but it changes things a bit.

How to Make Pan Seared Salmon with Mushrooms

Get a wide skillet hot—high heat, one minute. Add butter or oil. Mushrooms go in right after. Don’t stir for a minute. Let them start to color on one side, then toss them around. Takes about seven minutes total until they’re golden and have given up some liquid. Season. Add the sun-dried tomatoes. Stir once. Heat’s still high. One more minute and you’re done with this part.

Pour the vegetable broth straight in. It’ll sizzle. Bring it to a hard simmer—not boiling but moving fast. Let it go for four minutes. You’re reducing it, concentrating the flavor. The mushrooms break down a bit more.

Mix the arrowroot with cold water first. Stir it until smooth. If you just dump powder in, you get lumps. Pour the slurry into the mushroom mixture. Stir constantly for two minutes. It’ll go from liquid to glossy sauce right in front of you. Remove from heat. Don’t keep cooking or the starch breaks and you lose the thickness.

How to Get Salmon Crispy on the Outside

Separate pan. Medium-high heat. Avocado oil. Two minutes to get it hot—you want it moving slightly, just barely smoking. Salmon in. Don’t touch it. Five minutes. The bottom side gets a crust that way. Flip. Five more minutes on the other side. Halfway through the second side, salt and pepper both pieces. Right at the end—like the last 10 seconds—sprinkle orange zest on top. Heat releases it a little. Makes it smell like something.

The inside stays medium-rare or medium depending on thickness. If you want it cooked through, add two minutes. If you like it barely done in the center, pull it at five and a half minutes per side.

Roasted Salmon Tips and Common Mistakes

Don’t crowd the mushrooms at the start. They steam instead of brown. One skillet, spread them out. If yours is small, work in batches. Takes longer but the result’s better.

Salt the mushrooms as you go, not all at once at the end. They release water and flavor differently when it hits them early.

The sauce breaks if you keep cooking it after the arrowroot thickens. Take it off heat. That’s it. Leftover sauce from yesterday gets thick as paste sitting in the fridge—that’s fine, thin it with a splash of broth when you reheat it.

Salmon fillets vary in thickness. If yours are thin, three and a half minutes per side works. Thick ones might need six. You know it’s done when it flakes and the meat goes opaque. Not when it’s dry. That’s past done.

Orange zest—get the colored part only. The white pith underneath tastes bitter. A microplane zester works best but a box grater on the small holes does it too.

Pan-Seared Salmon with Mushrooms & Orange

By Emma

Prep:

20 min

Cook:

30 min

Total:

50 min

Servings:

4

Ingredients

• 170 g oyster mushrooms sliced
• 200 g shiitake mushrooms stems discarded and sliced
• 180 g cremini mushrooms quartered
• 35 ml vegan butter or olive oil
• 50 ml sun-dried tomatoes in olive oil, drained and chopped
• 300 ml vegetable broth
• 20 ml arrowroot powder
• 20 ml cold water
• 700 g skinless salmon fillets cut into 4 portions
• 25 ml avocado oil
• Zest of 1 large orange
• Salt and black pepper
• Optional: fresh thyme sprigs

Method

1. 1 Heat butter or oil in a wide skillet over high heat. Add mushrooms. Sauté until golden, about 7 minutes. Season with salt and pepper. Toss in sun-dried tomatoes. Cook another minute.
2. 2 Pour in vegetable broth. Bring to a brisk simmer. Let reduce for 4 minutes.
3. 3 Mix arrowroot powder with cold water until smooth. Stir into mushroom mixture. Continue simmering for 2 minutes until thickened. Remove from heat.
4. 4 In a separate pan, heat avocado oil on medium-high. Add salmon pieces. Sear 5 minutes per side. Season with salt and pepper midway. Sprinkle orange zest over salmon just before removing from pan.
5. 5 Plate salmon over cooked herb rice with toasted pine nuts. Spoon mushroom and tomato sauce over top. Garnish with thyme if desired.

Nutritional information

Calories

350

Protein

38g

Carbs

8g

Fat

18g

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Frequently Asked Questions About Salmon Recipe

Can I make this ahead? Cook the mushroom sauce earlier in the day. Cool it. Reheat gently when you’re ready to sear the salmon. The salmon you have to do fresh—it dries out fast once it’s cooked. Takes 20 minutes prep, 30 to cook anyway.

What if I only have one type of mushroom? Use what you’ve got. Cremini works fine solo. The sauce won’t have as many textures hitting at once but it’s still good. Just quarter whatever you use—consistent size means it cooks evenly.

Is this gluten free? Yeah. Arrowroot replaces flour. No bread. No soy sauce. The sun-dried tomatoes—check the label because some brands add weird stuff, but most are just tomatoes and oil.

Can I use butter instead of avocado oil for the salmon? Butter burns. Not worth it. Olive oil works but it gets a bit sharp tasting at high heat. Avocado oil’s cleaner. That said—avocado oil’s expensive. Canola does the job fine.

How do I know when the salmon’s done? Press it gently with your finger. It should give a little but not feel mushy. The flesh goes from translucent to opaque. A knife slides through easy. Five minutes a side medium-rare for fillets about three quarters inch thick. Thicker, add time. Thinner, subtract.

What’s a good side for a citrus mushroom salmon dinner? Herb rice. Or just rice. Something neutral that soaks up the mushroom sauce. Roasted vegetables work. Salad if you want something light. The salmon and mushroom sauce carry it—you don’t need much else.