Preheat broiler

Mix together all of the ingredients

Line a 10 x 15 inch baking pan with parchment paper or foil and spray with cooking spray. Arrange fish in a single layer on the pan

Broil the fish until it flakes easily with a fork, about 6-8 minutes

Spread the mixture on the fish and continue broiling until topping is bubbly and lightly browned, about 2 minutes

Garnish with additional green onion and pepper. Serve with lemon wedges