Originally Posted by GoingAway
So if I had a morning flight and packed my usual yogurt - they'd stop me and confiscate it?

Yep. From the TSA website:
Toiletries - shampoo, toothpaste, mouthwash, perfume, deodorant, shaving foam, aerosols
Cosmetic products - perfume, hair spray, lip gloss, mascara, nail polish, makeup removers/cleansers, foundation
Non-solid food items - soups, syrups, pressurized food containers (cheese or whipped cream), gelatin, pudding,
yogurt
Liquid soaps, sanitizers, bath oils, bubble bath
Any pressurized containers
Any creams, ointments or lotions
All other liquids/gels not listed here