From Vegetarian Nosh 4 Students – Dream Bars. Substitution: Pure Soya for butter, cornflakes for rice crispies*. I didn’t heat the sugar for long enough and these ended up as (delicious) frosted cornflakes.
* A lot of cereal isn’t vegan because of what they use to add the vitamins (often lanolin from sheep’s wool). I couldn’t find any rice crispies, but the cornflakes in the Free From section of the supermarket are often vegan.