In a bowl mix the tapioca starch with the cold water. Stir to dissolve the tapioca starch and set aside.
In a saucepan on Medium Low heat add in the coconut milk, salt and sugar. Stir to dissolve the sugar.
Then gradually pour in the tapioca starch mixture and stir.
Once all of the tapioca starch mixture has been poured into the pan turn the heat up to Medium High.Continue to stir until it has thickened.Then remove from heat.
Place a banana on a sheet of saran wrap and slightly flatten it.
Spread on the thickened coconut milk.
Next sprinkle on a handful of the shredded coconuts .
Add the crushed peanuts..
Then flip the banana over and repeat the process .
Wrap the banana in saran wrap and freeze for 4 hours.