Crushing Rice Krispies is easy. Crushing them without having them end up everywhere is a bit harder. Unless you do something like this.
It’s pretty obvious from that first picture, but … Pour the cereal into a zip-top bag.
Squeeze all the air out as you seal it.
This step is actually pretty important. If you leave it inflated like a balloon, it will pop like a balloon when you …
Roll the bag with a rolling pin.
Go back-and-forth over the bag until you reach the right level of crushed-ness.
And that’s it.
