Tracked on 1 list across 1 authority.
Three sisters inherited their father's life's work, which he began in 1963, selling char koay kak, a snack from their ancestral home of Teochew. The rice cakes are fried with nice wok hei, the right amount of soya sauce, bean sprouts, egg and spiciness; with optional hot sauce.
Sister Yao’s Char Koay Kak appears on 1 of the lists Mouga tracks, and written up on 1 more. Here's the full trail, dated and linked to each source.