Once a rarity, Chicago sushi spots have ballooned since the 1990s, treating raw-fish aficionados to an unprecedented selection while making it that much harder to determine just who serves the best sushi in Chicago. There’s no clear consensus. For starters, there’s Humboldt Park’s Kai Zan, a tiny eatery offering more menu options than seats. Katsu, on the other hand, makes its bid to be one of the best restaurants in Chicago by tempting diners with super-premium yellowtail sourced from Tokyo’s famed Tsukiji market. But no matter where adventurous eaters end up, there’s no denying that quality sushi is more available than ever.