To dehydrate marshmallows, place the contents of a bag of mini-marshmallows in a dehydrator, and let them sit for 8 hours. Let the marshmallows cool before using them.Continue Reading
Get a standard-size bag of mini-marshmallows. Large marshmallows can be used, but they take a full day to dehydrate.
Spread the marshmallows across the trays of the dehydrator. Make sure that no marshmallows are stacked on top of each other.
Plug the dehydrator in, and set the temperature to 160 degrees Fahrenheit. Check the marshmallows after four hours to see if they are ready. It should take close to eight hours, but dehydrators vary. Store the marshmallows in a jar with a tight lid, and store them in the pantry.