Add the water in a pot and let it heatup without boiling. Then add the gelatin and mix on low heat to melt. Do not let it bubble and boil

Then add the glycerin, vegetable shortening and glucose and mix until all melted but do not let it boil

Then add the vanilla extract and mix then set aside

Pour the marshmallow in a microwave safe bowl and add a teaspoon of water then microwave for 30secs. Then take out and mix well with a spatula and place back in oven for 30secs more

After 30secs remove and stir well then set aside

Mix the melted marshmallow with the gelatin mix in a deep bowl and start stirring in the icing sugar

Add bit by bit while mixing with a spatula then transfer to a work sprinkled with icing sugar and start knead and adding more icing sugar to knead until the mix does not stick to your hands anymore but still malleable

Wrap in an airtight cling film and keep at room temperature for 24hrs before using

When ready to use, microwave for 15-20secs for it to be malleable and knead some more before using