Fettuccine Alfredo or fettuccine al burro is an Italian pasta dish of fresh fettuccine tossed with butter and Parmesan cheese As the cheese melts, it emulsifies the liquids to form a smooth and rich cheese sauce coating the pasta. The dish is named after Alfredo di Lelio, who featured the dish at his restaurant in Rome in the early to mid-20th century; the "ceremony" of preparing it tableside was an integral part of the dish.
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