Line a tray with baking paper (including up the sides of the tray - measurements listed below)
Put butter, marshmallows & bananas into the sc'er
Turn on high for 30 minutes (no teatowel required)
Take lid off and stir everything together, and squash remaining bananas if they are not fully melted.
Pop lid back on for another 10 minutes
Add food colouring and stir everything through again.
Add in rice bubbles and stir through until everything is mixed through.
Pour mixture into baking tray and flatten out
Add eyeballs as you please and push down into the mixture
Pop into the fridge to set