1. Whip the egg white and when a large bubble rises, divide the sugar and whip to make a meringue. Add the egg yolk and vanilla extract and whip to mix evenly.
3. Bake in an oven preheated to 190 degrees for 13 minutes and cool.4. Add sugar and instant coffee powder to warm water, mix, and place in the refrigerator.
7. Put sugar and water in a pot, boil it, and at the same time whip the egg white. When the temperature of sugar reaches 118 degrees, put it in the egg white and whip it to make a meringue.