01 -
Gently melt unsalted butter in a large saucepan over very low heat, ensuring it does not brown.
02 -
Add mini marshmallows to the melted butter, stirring continuously until fully melted and the mixture becomes smooth.
03 -
Divide the melted marshmallow mixture into separate bowls according to the number of desired colors. Add food coloring to each and mix until a uniform hue is achieved.
04 -
Add approximately 2 cups of crisped rice cereal to each colored mixture. Stir thoroughly until the cereal is evenly coated.
05 -
Transfer the colored mixtures into a greased 33 x 23 cm pan, layering or swirling the colors as preferred. Use a greased spatula or wax paper to press the mixture flat and even.
06 -
While the surface is still slightly warm, decorate with candy eyeballs and assorted candies, pressing them gently to adhere.
07 -
Allow to cool completely, then cut into squares or desired monster shapes for serving.