The local lemon or lime. Among traditional cooks it is the critical flavoring for leche flan and macapuno because it keeps the rich desserts from being too sweet. I put a slice of dayap into my glass of Coke and noted that my soda had a fuller, heartier taste. Dayap is also said to be the equivalent of key lime, which grows in Florida and is often made into pies. I met an elderly woman in Bulacan who said that she sculpts the dayap rind before pickling the fruits when these are in season. I should see that work of art.
