Translation of "Specialty" in Korean

I realized that it was crucial for me to have a specialty,

전문성을 가지는 게 결정적으로 중요하다는 것이었죠.

But for one night only, they're in town for a seasonal specialty.

‎하지만 오늘 하룻밤만큼은 ‎가을의 특식을 먹기 위해 ‎도시를 방문했죠