Place a saucer with five metal teaspoons in a flat place in your freezer for testing the jam later.

WSJ: Gourmet Spreads

The U.S. Centers of Disease Control and Prevention was among many government agencies trying to keep people informed -- from knowing when the food in your suddenly inoperable freezer can't be eaten to taking a cool bath if you don't have AC.

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Or surimi, that imitation crab food product found in the freezer section of your local supermarket and in California rolls.

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Once a doctor has confirmed your child has a food allergy, you should immediately clear every item he or she can't eat from your pantry, refrigerator and freezer.

CNN: Food allergy diagnosis: What parents should know