Heat half of the oil in a large skillet over medium-high heat until hot. Add turkey cutlets; cook for 2 to 3 minutes per side then remove from skillet and keep warm.
In the same skillet, heat remaining oil until hot. Add next 6 ingredients (onion through oregano); saute for 2 minutes.
Stir in chopped tomato and the rosemary; cook for 2 minutes. Stir in chopped spinach; cook for 1 minute or until spinach wilts. Season veggies with pepper to taste then serve over turkey cutlets.