I always threw away the oil cap: a colleague explained to me what it was really for.

If you often cook with oil in small bottles, you may have noticed a plastic ring under the cap. While you might think it’s best to throw it away, learn about its usefulness in this article.

You’ve probably noticed those small plastic tabs on oil bottles several times. Maybe you even ignored them, thinking they served no purpose other than making the bottle harder to open. Well, think again! These tabs have a very specific use and can make your life in the kitchen much easier. So before you throw them away, find out why they’re worth saving.
A card with a dual function:
The card plays an important role in the oil preservation process. It acts as an airtight seal, preventing air from entering the bottle. Air can be harmful to oil because it can accelerate oxidation and alter its flavor. The tab ensures better oil preservation and extends its shelf life.

Controlling the Amount of Oil Used:
When preparing a recipe that only requires a small amount of oil, it can sometimes be difficult to control the amount dispensed from the bottle. As a result, we always end up using more than we need. But thanks to the plastic tab located inside the bottle, under the cap, this problem is quickly solved.
The small ring allows you to partially obstruct the bottle’s nozzle, making it easier to control the amount of oil poured. This way, you can pour the oil without wasting a single drop. Pretty handy, right?

However, be careful not to press the tab too hard, or you might push it into the bottle. Just press gently and lightly.ge

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