Prepare sauce mix according to package directions using the fat free milk. Coat Dutch oven with cooking spray. Place over medium high heat until hot.
Add mushrooms and saute for 5 minutes. Add spinach and saute until slightly wilted. Remove from heat and stir in Alfredo sauce.
Combine cheese and Italian seasoning in a bowl. Dredge scallops to pan cooking spray side down cook 3 minutes. Spray top side of scallops with cooking spray turn them over and cook 2 minutes. Top spinach mixture with scallops and serve.