Myeongseongdang is a walnut pastry shop in Dujeong-dong, Cheonan. It sells walnut pastries filled with white bean paste and walnut pastries made with mosi leaves. The shop can be visited before getting on the Gyeongbu Expressway and stays open until 11 p.m. Customers buy the walnut pastries as gifts, and older adults also like the mosi leaf products.