Place KANTEN powder and water in a saucepan. Whisk and Cook over medium heat, Whisk constantly, Bring to a boil. Add sugar, cook on low heat and whisk about 1 minute. Remove from heat.Pour the half of mixture into square baking dish or jelly mold. Stir together matcha powder and hot water in a small cup until it dissolved. Add MATCHA mixture into remaining KANTEN mixture and whisk together. Pour it into square baking dish/jelly mold. Let cool and Chill in Refrigerate.

If you don't put ice cream, it's just 'ANMITSU' which is a Vegetarian or Vegan friendly recipe. If you add ice cream, we call it 'Cream ANMITSU' in Japanese.