Baked Halibut With Curry and Green Onion Topping

4 halibut fillets, about 6 to 8 ounces each 
kosher salt and freshly ground black pepper 
2 tablespoons mayonnaise 
2 teaspoon Dijon mustard or spicy brown mustard 
2 tablespoons sweet orange marmalade 
1 scant teaspoon curry powder 
3 green onions, thinly sliced Sliced green onion tops or fresh cilantro, for garnish 

 Preheat the oven to 400 F. 
Line a rimmed baking sheet with foil. 
Arrange the halibut fillets in the pan, skin side down. 
Sprinkle the fish fillets lightly with salt and pepper. 
In a small bowl, combine the mayonnaise, mustard, marmalade, curry powder, and the scallions. 
Spoon the mixture evenly over the tops of the fillets. 
Bake for about 15 minutes, or until fish flakes easily with a fork. Garnish the fish fillets with sliced scallion tops or cilantro.