Chrysanthemum tea is one of those drinks people order thinking it is healthy, and you know what, the base actually is. It is just brewed flowers, no calories at all. The only reason it shows up at 90 calories is the sugar or rock sugar they stir in.
So this one is fully in your control. Kosong, no sugar, and you are drinking something that is genuinely close to zero calories with a nice floral taste. If you want a sweet mamak drink that will not hurt you, this is one of the smartest picks on the menu.