01 -
Pat salmon fillets dry with paper towels and season evenly with salt and black pepper on both sides.
02 -
Heat olive oil in a large skillet over medium heat. Place salmon skin-side down and sear for 5 minutes, then carefully flip and cook an additional 4 to 5 minutes until golden and just cooked through. Remove fillets from skillet and set aside.
03 -
Reduce heat to medium-low. Add unsalted butter to the same skillet; once melted, incorporate minced garlic and chopped onion. Sauté for 2 to 3 minutes until soft and fragrant.
04 -
Pour chicken broth into the skillet, using a spatula to scrape up any browned bits from the bottom.
05 -
Stir in heavy cream and Italian seasoning, mixing well. Let the sauce simmer gently for 2 to 3 minutes until it begins to thicken.
06 -
Add baby spinach to the skillet and cook for 2 to 3 minutes, stirring frequently, until the spinach wilts into the sauce.
07 -
Return seared salmon fillets to the skillet. Spoon the creamy sauce generously over each portion and simmer for a final 2 minutes to heat salmon through. Serve immediately.