How long will cooking oil stay "good" in an unsealed container?

Question

I don't use non-stick pans so I have to use a little oil when cooking. Yet, I hate bring out this big jug of oil every time I need a dash.

I've seen glass containers you can pour oil into. They have a lid with a spout, so they aren't completely sealed from air. Are these acceptable to use for canola oil and olive oil? How long can I expect each to last in one of these?

Would I be better to only fill them halfway?

Answer 1

Both types of olive oil should be stored in a cool dark place and should last up to 6 months. Leaving them in the dressing bottle is totally fine. Olive oil can also be stored in the refrigerator for up to 1 year. It will get cloudy and thick in the refrigerator, but once it’s brought to room temperature it will become liquid again.

Answer 2

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Answer 3

At the restaurant I work at I use a clear squeeze bottle.  I never worry about oil going bad on the shelf.  The only way it will go bad is if it is in the sun all the time.  

Answer 4

Those glass containers are for one time use at the table.  They are generally used for individual salads along with other condiments.  Just put some oil in a glass jar with a lid and keep it nearby or buy a glass container with a stopper.  They are cheap.