01 -
Pat salmon fillets dry with paper towel, then season both sides with salt and black pepper.
02 -
Heat olive oil in a large skillet over medium-high heat. Sear salmon fillets for 3-4 minutes per side until golden and just cooked through. Transfer salmon to a plate and set aside.
03 -
Reduce heat to medium. In the same skillet, melt butter. Add sliced mushrooms and sauté for 3 minutes until softened. Stir in minced garlic and cook for 1 minute. Add baby spinach and toss until wilted.
04 -
Pour in heavy cream, add grated Parmesan, dried thyme, and lemon juice. Stir to combine. Simmer for 3-5 minutes, stirring occasionally, until the sauce thickens.
05 -
Return salmon fillets to the skillet, nestling them into the sauce. Spoon sauce over the fillets. Simmer for an additional 2 minutes to heat through. Garnish with chopped parsley if desired and serve immediately.