Halibut without vermouth parsnip

1 1/2 cups cooked halibut 1/8 cup banana pepper , finely chopped 2 tablespoons sweet cherry peppers, finely chopped 3 stalks celery , finely diced 3 scallions[...]

1/2 medium onion , sliced 1 (3 lb) halibut fillets , skin removed 2 teaspoons Old Bay Seasoning 1 cup mayonnaise 1 cup sour cream 1/2 cup fresh crabmeat 2[...]