Cooling/Resting Time: 0 minutes
Preheat oven to 375F.
Season chicken breasts with Italian seasoning, salt, and pepper.
Heat 2 Tbsp olive oil in oven-safe skillet over medium-high heat and brown chicken 2 minutes per side.
Remove chicken and set aside.
Add remaining 1 Tbsp olive oil and onions to skillet and sauté 2 minutes until translucent.
Add garlic and red pepper flakes and cook 30 seconds.
Pour in wine and scrape up browned bits, cooking until wine evaporates.
Add heavy cream, parmesan, and sun-dried tomatoes and bring to light simmer.
Return chicken to pan with artichoke hearts.
Transfer pan to oven and bake 10 minutes.
Stir in spinach until wilted and taste for salt.
Serve with pasta, mashed potatoes, or rice.