Serve spaghetti and meatballs to an Italian, and they may question why pasta and meat are being served together. Order a samosa as an appetizer, and an Indian friend might point out, as writer Sejal Sukhadwala has, that this is similar to a British restaurant offering sandwiches as a first course. Offer an American a hamburger patty coated in thick demi-glace, and they’ll likely raise an eyebrow at this common Japanese staple dubbed hambagoo. Each of these meals or dishes feels somehow odd or out of place, at least to…