Ingredients

• 2 pounds catfish fillets
• 1/2 teaspoon salt
• 1/4 teaspoon ground black pepper
• 3/4 cup thinly sliced red onion
• 2 tablespoons butter
• 1 cup mayonnaise
• 1/4 cup Dijon mustard
• 2 tablespoons lemon juice
• 1 teaspoon hot chile oil
• 1/4 cup chopped fresh cilantro

Instructions

1. Preheat an oven to 350 degrees F (175 degrees C).
2. Arrange the catfish in a shallow baking dish; season liberally with salt and pepper.
3. Spread onion slices over the fish.
4. Dot fish with butter.
5. Bake in the preheated oven until the fish flakes easily with a fork, about 20 minutes.
6. Remove baking dish from oven.
7. Preheat the oven's broiler.
8. Mix the mayonnaise, Dijon mustard, lemon juice, and hot chile oil together in a bowl.
9. Spread the mayonnaise mixture over the fish.
10. Return the fish to the oven and broil until the sauce is browned and bubbly, 2 to 3 minutes.
11. Garnish with chopped cilantro.