1 lb fish fillets or steaks
1/2 c. light mayonnaise
1 packet Ranch salad dressing mix
Preheat the oven to 350F. Spray a baking pan with cooking spray. Lay the fish in the pan in a single layer.
Mix the mayo and the dressing mix. Spread evenly over the fish fillets.
Bake 10-15 minutes or until fish is opaque and flakes easily.