Image and Recipe Source: AllRecipes.com

Ingredients:

cooking spray
2 pounds haddock
1/2 tsp onion powder
1/2 tsp paprika
1/2 tsp garlic powder
1/2 tsp ground black pepper
1/4 tsp cayenne pepper
1 tbsp butter, cut in small pieces
1 lemon, cut into wedges

Prep: 10 min
Cook: 10 min

Directions:

Set oven rack about 6 inches from the heat source and preheat the oven's broiler. Line a baking sheet with aluminum foil and spray with cooking spray.
Arrange haddock fillets on the prepared baking sheet. Mix onion powder, paprika, garlic powder, salt, black pepper, and cayenne pepper in a small bowl; sprinkle seasoning over haddock. Dot haddock with pieces of butter.
Broil in the preheated oven until fish is easily flaked with a fork, 6 to 8 minutes. Serve with lemon wedges.