I recently made some decorated cupcakes that required oreo halves. I tried several methods:
What's the best way to go about cutting my oreos without turning them into a (delicious) crumbly mess?
Try freezing the oreos first and then cut with a sharp knife. Let the oreos warm to room temperature again. They will not lose any texture or crispiness.
Update:
In the name of science, I froze some oreos and tested the outcome. Freezing the oreos made the cutting much more...achievable. A room temperature oreo just wants to crumble in too many places, but a frozen one holds together better.
I used a Mini Hacksaw #65341 from Harbor Freight. I even cut a cracked one in half without shattering it.
You could moist it with milk, for example, in the exact line you want to cut, both sides. This will make them less "brittle".
Just tackled this problem. Key was a) v sharp knife and b) keeping pressure on the middle of the biscuit. That stopped it crumbling. Result!
Don't saw at it, place the point of the knife on the board at '12 o'clock', rest the blade on the Oreo, then push smoothly down to cut. If your knife is sharp enough, it shouldn't be a problem. And I mean properly sharp, not just run a few times through a plastic sharpener.
Wet a sharp knife with water or milk, hold the knife halfway across the cookie, and press on the knife instead of using a sawing motion). The wetness of the knife should soften a line in the middle of the Oreo, making it easier to cut.
I separated the two pieces with the cream left on one side, used a sharp knife and the cream seemed to keep the cookie from crumbling. The side without the cream - some broke well, some didn't but when I reattached the halves, the cream held the broken piece fine.
