3 baked seafood gratin Recipes

onion, chopped, green bell pepper, chopped, butter, divided, all-purpose flour, divided, fresh crabmeat, water, fresh shrimp, peeled and deveined, scallops, flounder fillets, milk, shredded sharp cheddar cheese, distilled white vinegar, worcestershire sauce, salt, ground black pepper, hot pepper sauce, grated parmesan cheese

onion, chopped, red bell pepper, chopped, olive oil, butter, all-purpose flour, divided, fresh crabmeat, water, shrimp, scallop, cod fish fillet, button mushrooms, drained, milk, chicken broth, shredded sharp cheddar cheese, worcestershire sauce, salt, ground black pepper, hot pepper sauce, grated parmesan cheese, fresh parsley, sherry wine