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Plate with green beans, mashed sweet potatoes, and a Salmon with Mushroom Sauce spooned on top.
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4.17 from 6 votes

Salmon with Mushroom Sauce

This Salmon with Mushroom Sauce recipe tops four oven-roasted fillets with a creamy, herby shiitake mushroom sauce for an easy Whole30 compatible dinner. Serve with a side of your favorite veggies.
Prep Time10 minutes
Cook Time20 minutes
Total Time30 minutes
Course: Main Course
Cuisine: American
Servings: 4
Author: Reed Dunn

Ingredients

For the salmon

  • 4 salmon fillets about 5 ounces each
  • Olive oil
  • ½ teaspoon kosher salt
  • ¼ teaspoon black pepper

For the mushroom sauce

  • 3 tablespoons ghee
  • 2 cups shiitake mushrooms sliced
  • 1 shallot minced
  • 2 garlic cloves minced
  • ¼ cup vegetable stock
  • 1 cup full-fat canned coconut milk
  • ½ teaspoon dried oregano
  • ½ teaspoon kosher salt
  • ¼ teaspoon cracked black pepper
  • 2 tablespoons fresh parsley chopped

Instructions

For the salmon

  • Preheat oven to 400 degrees F. Line a baking sheet with parchment paper.
  • Place salmon fillets on parchment paper and brush tops with olive oil. Season with ½ teaspoon kosher salt and ¼ teaspoon black pepper.
  • Bake salmon for about 14 to 16 minutes, or until fish is cooked to 145 degrees in center of the thickest part.

For the mushroom sauce

  • While salmon is cooking, heat 3 tablespoons ghee in a medium skillet over high heat. Once heated, add minced shallot and garlic cloves. Stir, cooking for about 1 minute.
  • Add sliced shiitake mushrooms, ½ teaspoon dried oregano, ½ teaspoon kosher salt, and ¼ teaspoon cracked black pepper. Reduce heat to medium-high and cook mushrooms for about 7 to 10 minutes.
  • Carefully pour ¼ cup vegetable stock into the skillet and stir mushrooms until liquid is absorbed.
  • Reduce heat to medium and stir in 1 cup full-fat coconut milk and 2 tablespoons fresh parsley, chopped. Continue stirring, as sauce thickens.
  • Plate salmon with sides of your choice, like 10-Minute Garlicky Green Beans, and spoon sauce onto fish. Serve.

Notes

  • Shiitake mushrooms are my preference for their meaty texture, but this sauce is forgiving. Cremini, button, or a wild mushroom blend will all work well if that's what you have on hand.
  • Ghee keeps this Whole30 compatible, but if you're not following that protocol, butter is a fine swap.
  • Be sure to use full-fat canned coconut milk here, not the light version. The higher fat content is what gives the sauce its body without any dairy.
  • Vegetable stock helps deglaze the pan, adding a little more savoriness. You can just use water, if needed, or a splash of wine if you're not doing Whole30.
  • Looking for a side dish? 10-Minute Garlicky Green Beans come together in the same amount of time as the salmon and pair well with the rich sauce.
  • You can also sub the fresh for dried parsley. The general rule of thumb is to replace 1 tablespoon fresh herbs with 1 teaspoon dried. In this case, if you use dried parsley, use 2 teaspoons and add it into the mushrooms with the dried oregano, salt and pepper.