Preheat oven 350 Fahrenheit
In a mixing bowl whisk together: Mochiko flour, sugar, cocoa powder, baking powder, and salt

In a blender or Thermomix bowl add the eggs, coconut milk, evaporated milk

Add the coffee granules

Add the vanilla extract

Add the melted butter

Mix to blend until coffee granules are almost all disolved.
For those using the Thermomix:
**Thermomix: Time 30 Seconds/Speed 4 1/2

Add the dry ingredients and blend until mixture is smooth and uniform in texture.
For those using a Thermomix:
Thermomix: Time: 40 Seconds/Speed 4

Pour the batter into a greased pan, and bake for 2 hours or until the cake begins to pull away from the sides of the pan.

Let it cool for 30 minutes, and then cut it in squares.