Let’s get geeky for a second. Refrigeration actually changes the molecular structure of the marshmallow. It encourages the sugar to recrystallize, turning that gooey goodness into a harder, more structured block.
If you have a humid kitchen, the fridge is your best friend. Humidity is the enemy of the crispy treat. Leave them out in a muggy room, and they turn into sad, soggy pucks. The fridge is like a moisture-proof fortress for your snack.
How to Store Rice Crispy Treats (Plus, How Long They Last)
But here’s the kicker: once you chill them, you can’t un-chill them. They won’t go back to that soft, fresh state. You’ve locked them into the cold timeline. Choose wisely.
