speciality noun definition in Dining out topic from the Oxford Advanced Learner's Dictionary

speciality

 noun: Dining out topic
a type of food or product that a restaurant or place is famous for because it is so good Seafood is a speciality on the island. local specialities a speciality cheese shop (= one that sells many different types of cheese) Haggis is a Scottish speciality. The drink is a house speciality prepared at the table. You can find their product in speciality retailers.