But pandan chiffon cake is its best-known product. Last year, the bakery sold about 85,000 whole pandan chiffon cakes per month, says Henry, at 22 Singapore dollars ($17) each.

A Bengawan Solo pandan chiffon cake, in one of the chain’s Singapore airport stores. - Justin Robertson/CNN Anastasia Liew in the first Bengawan Solo cake shop in 1979. - The Liew family ...

But pandan chiffon cake is its best-known product. Last year, the bakery sold about 85,000 whole pandan chiffon cakes per month, says Henry, at 22 Singapore dollars ($17) each.