Over at the Sea Breeze Warung on Nusa Ceningan, a tiny island southeast of Bali, is a drink thought to be so extreme most locals won't drink it. Its translated name is shoe flower juice.
Then she laughs: "But it's safe! It really is! I'll eat or drink anything I make!"
Ketut slices a tiny local lemon in two and squeezes both halves into the glass. The chameleon liquid changes hue again - to a cheery maraschino red. She tops the glass with ice, and the shoe flower drink is served.