It's quick and easy and the kids and adults love it.
Preheat oven to 180°C (170°C fan forced).
Melt butter in silicone bowl.
Place all other ingredients into silicone bowl with melted butter.
Mix together until well combined.
Press mixture into silicone slice pan.
Bake for 15 minutes.
Let cool on cooling rack and then remove from slice tin and slice and serve.