TSA officers may instruct travelers to separate items from carry-on bags such as foods, powders, and any materials that can clutter bags and obstruct clear images on the X-ray machine. Travelers are encouraged to organize their carry-on bags and keep them uncluttered to ease the screening process and keep the lines moving.
Peanut Butter
Carry On Bags:
Yes (Less than or equal to 3.4oz/100 ml allowed)
Checked Bags:
Yes
The final decision rests with the TSA officer on whether an item is allowed through the checkpoint.