Slice the chicken breasts in half to make 4 thinner pieces. Season both sides with salt, black pepper, and Italian seasoning.
Heat olive oil in a large pan over medium heat.
Add the chicken to the pan and cook for 5–6 minutes on each side until golden brown and fully cooked. Remove the chicken from the pan and set aside.
In the same pan, add the minced garlic. Cook for about 30 seconds until fragrant.
Pour in the chicken broth and stir gently to lift the flavor from the bottom of the pan.
Add the heavy cream and grated parmesan cheese. Stir well until the sauce becomes smooth and creamy.
Add the sun dried tomatoes and fresh spinach. Cook for 2–3 minutes until the spinach wilts.
Return the cooked chicken to the pan and spoon the creamy sauce over the top.
Let everything simmer for 2–3 minutes so the flavors combine.
Serve warm and enjoy your creamy Tuscan chicken.