If using fresh bamboo shoot, bring the rice water to a boil over medium heat in a large saucepan and simmer the bamboo shoot with the dried chili for 1 hour. Remove from the heat and set aside to cool, then peel the blanched bamboo shoot. Omit this step if using the canned bamboo shoot. Slice the cooked or canned bamboo shoot into 2 in (5 cm) long slices.