You can bring solid food (sandwiches, fruit, cookies). But creamy or spreadable stuff? Nope. Peanut butter, jam, Nutella, and even mushed avocado are technically liquids. So your PB&J is a security risk.
Also banned: large containers of jam over 3.4 oz. This is a global conspiracy to make you spend $12 on airport coffee and a sad, dry muffin.
ニュース What can you not take on a plane?. トピックに関する記事 – What item Cannot
Weirdest fact: You can bring frozen liquids (like a frozen ice pack) as long as they’re solid at the checkpoint. But if it melts mid-flight? You’re a rebel. The TSA doesn’t care about the flight; they only care about the checkpoint.