Spray foil-lined 15x10x1-inch inch baking pan with cooking spray.
Mix coating mix and 1 tsp. of the curry powder in shaker bag.
Add 1 piece of fish at a time to shaker bag; shake to coat.
Place fish on prepared pan.
BAKE at 400°F for 20 minutes or until fish flakes easily with fork.
MIX mayo and remaining 1/2 tsp. curry powder in large bowl. Add coleslaw blend, mangoes, cucumbers and peanuts; toss to coat. Serve with fish.