Khanom Mho Kaeng Mae Yai (Phai Ling).

While many visit this light-filled Phai Ling shop for its namesake khanom mo kaeng—a silky, baked mung bean custard—the counter typically holds between 50 and 70 different varieties of traditional Thai sweets. This is a working kitchen rather than a tourist showroom; the staff squeezes fresh coconut milk every morning to anchor a revolving menu that includes everything from chewy piak pun (pandan pudding) to sweet sorghum. The atmosphere is straightforward and local, focusing on the preservation of Ayutthaya’s sugar-heavy culinary heritage without unnecessary flair. It functions as a practical pitstop for those exploring the nearby ruins who want to sample regional dessert traditions in their most unadorned, daily form, served in a setting that values freshness over presentation.