Popular Pantry Staple Could Get You Stopped at Airport Security Under Little-Known TSA Rule
The TSA has reminded travelers that peanut butter is classified a liquid under carry-on rules at airports, sparking online debate over the popular food spread.

TL;DR
- The TSA classifies peanut butter as a liquid for carry-on luggage.
- Liquids in carry-on bags must be in containers of 3.4 ounces or fewer and fit within a quart-sized bag.
- Larger quantities of peanut butter can be packed in checked luggage.
- The TSA's classification is due to peanut butter conforming to the shape of its container.
- Travelers can still bring many food items through security, and eating before the airport or packing non-liquid snacks are options.
- The TSA's reminder has sparked debate and suggestions for workarounds among travelers online.