Ingredient:

• 1/4 cup butter
• 1/4 cup all-purpose flour
• 1/2 cup finely chopped onion
• 1/2 cup finely chopped celery
• 2 cups half-and-half cream
• 1 cup whole milk
• 1-1/2 teaspoons salt
• 1 teaspoon pepper
• 1/4 teaspoon paprika
• 1/8 teaspoon cayenne pepper
• 12 ounces fresh shucked oysters (in juice)
• 1 teaspoon sherry, optional
• Hot pepper sauce, optional
• 2 tablespoons minced fresh parsley