01 -
Sprinkle the chicken breasts generously with salt and pepper.
02 -
Heat olive oil in a large skillet over medium-high heat. Add the chicken and cook for 5-7 minutes per side until golden and cooked through. Remove and set aside.
03 -
In the same skillet, add the chopped onion and sauté for 3-4 minutes until softened. Add the minced garlic and cook for another 1-2 minutes.
04 -
Add the sliced mushrooms to the skillet and cook for 5 minutes until browned.
05 -
Stir in the fresh spinach and cook until wilted.
06 -
Pour in the heavy cream and chicken broth, stirring until the mixture simmers.
07 -
Add the grated Parmesan cheese, Italian seasoning, and red pepper flakes, if using. Cook for 3-4 minutes until the sauce thickens.
08 -
Return the chicken breasts to the skillet, spooning the sauce over them. Continue heating for 2-3 minutes until everything is warmed through.
09 -
Serve hot, garnished with fresh parsley.