Web-Search: It is generally not recommended to consume horseradish that has been left out at room temperature for an extended period of time, as it can spoil and become unsafe to eat [[1]](https://www

Can horseradish be safely used again after being left out overnight if refrigerated afterwards?

It is generally not recommended to consume horseradish that has been left out at room temperature for an extended period of time, as it can spoil and become unsafe to eat [[1]](https://www.quora.com/I-accidentally-left-a-jar-of-horseradish-on-the-counter-overnight-Is-it-fine-to-use-it-again-if-I-put-it-back-in-the-refrigerator). Even refrigerating it after the fact may not make it safe again. To ensure food safety, it is best to discard the horseradish and get a fresh jar [[1]](https://www.quora.com/I-accidentally-left-a-jar-of-horseradish-on-the-counter-overnight-Is-it-fine-to-use-it-again-if-I-put-it-back-in-the-refrigerator).

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Learn more:
1. [I accidentally left a jar of horseradish on the counter overnight ...](https://www.quora.com/I-accidentally-left-a-jar-of-horseradish-on-the-counter-overnight-Is-it-fine-to-use-it-again-if-I-put-it-back-in-the-refrigerator)
2. [Horseradish out overnight? | Imamother](https://www.imamother.com/forum/viewtopic.php?t=23033)
3. [Should Horseradish Be Refrigerated? | ehow](https://www.ehow.com/info_10037573_should-horseradish-refrigerated.html)


