Creamy Halibut Olympia

Details

Ingredients

• 1 pound halibut fillets
• salt and ground black pepper to taste
• 1 tablespoon butter
• 1 onion, chopped
• ½ cup dry white wine
• ½ cup sour cream
• ½ cup mayonnaise
• 2 cloves garlic, diced
• 1 ½ teaspoons seafood seasoning (such as Old Bay®)
• ¼ teaspoon ground white pepper, or to taste
• ¼ teaspoon paprika, or to taste
• 1 sprig fresh dill, chopped, or more to taste
• 2 bunches green onions, chopped
• ¼ cup panko bread crumbs, or to taste
• 2 tablespoons drained capers, or to taste