招牌菜

zhāopáicài
  1. signature dish
  2. a restaurant’s most famous dish

CEDICT

signature dish (of a restaurant); popular dish

Wiktionary

拿手好菜。

重編國語辭典

Entry Composition

1 招牌 zhāopai
  1. signboard
  2. shop sign
  3. reputation of a business
2 菜 cài
  1. (of one's skills etc) weak; poor
  2. (coll.) (one's) type

classifiers: 棵, 樣, 道, 盤