A metal spoon in a mason jar can prevent the glass from breaking when pouring hot liquids like stock, soup and bone broth into cold jars. How to cool and store soup stock, bone broth, and soup.A metal spoon in a mason jar can prevent the glass from breaking when pouring hot liquids like stock, soup and bone broth into cold jars. How to cool and store soup stock, bone broth, and soup. Share This With Friends:EmailPrintLinkedInFacebookTwitterPinterestWhatsAppRedditTumblrPocketTelegramLike this:Like Loading...