Melt butter in a large saucepan over low heat. Once melted, add the marshmallows and stir continuously until completely melted. After that, stir in food coloring.
Pour melted marshmallows into the large bowl with the cornflakes. After that, stir until well coated.
Layout a piece of parchment paper on your kitchen counter. Dollop spoonfuls of the cornflake mixture onto the parchment paper.
Grease your (clean) hands with butter or cooking spray, dip them in a little bit of water, or wear gloves. And use your fingers to shape each spoonful into an individual wreath.
In conclusion, Top each wreath with sour candy ribbons, cinnamon candies, and sprinkles.