30 Minute Pesto Butter Salmon
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Pesto butter salmon is a no fuss, fast weekday meal. Just spread the pesto butter on the salmon, bake for 15 minutes and it’s ready to put on the table. This salmon pairs great with zoodles, spinach salad with balsamic dressing or with brown rice.

4 fillets of salmon on a baking sheet with pesto butter being spread on the second from the front

Notes on Pesto Butter Salmon

Benefits of Salmon

Salmon has to be one of the best possible seafoods to eat. It’s packed with healthy fats, full of omega-3, it’s been linked to positive brain development. But not all salmon is created equal. Look for sustainable, wild-caught salmon.

Wild vs. Farmed Salmon

Farmed salmon has a higher fat content because they don’t have as much space to move. Generally speaking, farmed salmon does not have the intense color that wild salmon does. I have seen farmed salmon with added coloring at my local supermarket. No thank you.

What’s that white stuff on my salmon?

When salmon is cooked sometimes white stuff oozes out. Don’t worry! It’s just a protein called albumin. It exists inside the salmon in liquid form when raw but solidifies during cooking and gets squeezed out. You can scrape it off if you want, it’s fine to eat though.

Baked fillet of pesto butter salmon that has a bite taken from it


I highly recommend 100% grass-fed butter. Cows did not evolve eating corn so it’s a no-brainer that butter from cows who eat what nature intended has a higher nutritional value. Why am I recommending butter though if dairy is inflammatory and should be avoided on a PCOS diet? Butter is high in fatty acids which can aid weight loss.

Healthy fats can also help balance hormones.


Pesto is traditionally made with basil and copious amount of parmesan cheese. Dairy is inflammatory and therefore not good for PCOS. If you are going to buy pesto look for a dairy-free or vegan pesto.

OR consider whizzing up some pesto yourself! Check out my Fresh Spinach Pesto with Miso recipe. That is what I used to make the salmon pictured. Miso sounds like an unusual addition but the salty umami replaces the parmesan cheese beautifully.

Spinach pesto is really quick to make. Just place the ingredients in a food processor and whizz them up. And you’ll have enough left over for the next night’s dinner too.

Baked fillet of pesto butter salmon on a plate with garnish of lemon on top

30 minute Pesto Butter Salmon

Pesto butter salmon makes a no fuss, fast weekday meal. Just spread the pesto butter on the salmon, bake for 15 minutes and it's ready to put on the table.
Prep Time 10 mins
Cook Time 15 mins
Total Time 25 mins
Course Main Course
Cuisine American
Servings 4 people
Calories 463 kcal


  • Baking sheet
  • Greaseproof paper
  • Chopping board
  • Sharp knife
  • Teaspoon


  • 1 lb salmon
  • 4 oz butter
  • 2 tbsp pesto see recipe notes
  • 2 tbsp olive oil
  • salt and pepper


  • Preheat the oven to 350°F.
  • Melt the butter and mix with the pesto. Allow to cool to a spreadable consistency.
  • Cut the salmon into four equal portions. Place on a baking sheet on greaseproof paper. Drizzle with olive oil and season with salt and pepper.
  • Spread one teaspoon of the pesto butter on each fillet.
  • Place in the oven on the middle shelf and bake for 15 minutes or until the internal temperature registers 145°F in the thickest part.
  • Serve with zoodles or brown rice and salad with a wedge of lemon.


For a dairy-free pesto, I highly recommend making Fresh Spinach Pesto with Miso.
Keyword keto, quick, weekday meal

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