Question:
Is it permissible to buy frozen strawberries, blueberries, blackberries which do not have a hashgacha for purpose of puréeing them and making smoothies ? Or does it require a hashgacha anyway ?
Answer:
Please see the following link,were a similar question is discussed. https://dinonline.org/2020/03/26/kashrut-blackberries/
Have a great day.
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