 It is also ground and mixed with stuffing or spicy minced sausage, and then baked in its shell to form a "stuffie".Calamari (squid) is sliced into rings and fried as an appetizer in most Italian restaurants, typically served Sicilian-style with sliced banana peppers and marinara sauce on the side.Clams Casino originated in Rhode Island, invented by Julius Keller, the maitre d' in the original Casino next to the seaside Towers in Narragansett.