Given the background description of some cooking related query, summarize the question into a title

Q: Sometimes, I want to try a recipe that calls for a small amount of heavy cream. Can the remainder be frozen and then used to make whipped cream? If so, how long will it keep in the freezer?

A: Can heavy cream be frozen?
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Q: In the long run, is it better to regularly use a knife honer instead of a knife sharpener once in a while to keep the edge sharp?

A: Will using a knife sharpener reduce the lifetime of my knife?
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Q: Can the old trick of putting biscuits (cookies or crackers to Americans) in a plastic bag and hitting them with a rolling pin be improved upon?

A:
Are there a better ways to crush biscuits/cookies than a rolling pin?
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