Either slice your chicken breast in half or pound it down to make it thinner.
Season with salt and pepper.
Heat olive oil in pan and cook chicken over medium heat for 5 minutes on each side. Set chicken aside.
In the same pan, melt the butter.
Add the minced garlic and cook for 1 minute.
Add the roasted tomatoes and spinach and cook for 1-2 minutes.
Add the heavy cream, basil, parsley, oregano, rosemary, salt, and pepper. Bring to a boil.
Add the parmesan cheese and stir until it is mixed in thoroughly. Let it cook and thicken for 1-2 minutes.
Add the chicken back into the pan, coat with the sauce, and cook for another minute.