Premise: Coconut jam (Malay: "kaya" ; Indonesian: "seri kaya, srikaya" ; Tagalog: "matamís sa báo, matamís na báo, "or" kalamay-hatì" ; Hokkien: 咖吔 "ka-ia") is a food spread or fruit curd made from a base of coconut milk, eggs and sugar. It is wildly popular in Southeast Asia, mainly in the Philippines, Malaysia, and Singapore, and in Palembang in Indonesia.
Hypothesis: Coconuts are native to Southeast Asia.