bring coconut milk ingredients to boik, until sugar is dissolved. Set aside to cool to room temperature (chill is great too)
in 3 separate bowls, fill with water and tint each with the food coloring
soak cubed jicama for 1/2 H
on 3 separate plates, mix tapioca flour and cornstarch
bring water to boil, drop jicama per color, cook for 1 minute (until cubes are floating)
with slotted spoon, take out jicama and drop them in ice water, let stand for 2 minutes, drain
serve jicama with coconut milk and crushed ice