Baking stuff Part 1: How to make fondant

I came across online videos on how to make your own fondant instead of paying up to £8.50 for a tub from my local supermarket.

The ingredients needed for making fondant are given below:

Icing sugar or powdered sugar
Glycerine
Gelatine
Liquid glucose (corn syrup or Lyle & Son's golden syrup)
Milk
Butter
Vanilla extract
Water - from the kitchen tap
Marshmallows (some recipes use marshmallows)

I found these ingredients at the local Waitrose Upminster branch in Essex, UK.

Homemade fondant