Originally Posted by
riphamilton
use a fork to poke a hole in your foil sealed salad dressing/yogurt prior to opening it, so that the lower cabin pressure won’t cause the dressing to squirt all over your tray.
Originally Posted by
GBadger
Better yet, open it with the pull tab pointed away from you. Learned that the hard way about 15 years ago

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Also try opening it slowly with the pull tab facing slightly downwards towards the salad. That way if some does squirt, it goes onto the salad.