Spray casserole dish and set aside.
Prepare Macaroni and Cheese per directions.
Cook fish fillets or other protein of choice and cut into pieces.
Mix all cooked ingredients together in a bowl.
Add Greek Yogurt, Ranch powder or garlic salt, and Sriracha (optional) and mix well.
Pour into casserole dish. Spread evenly.
Top with cheese.
Bake at 450 for approximately 20 minutes until cheese is melted.
Serve and Enjoy!