Home canning and botulism

More on this shelf

• Cassava and cyanogenic glycosides Why cassava must be processed before it is eaten, and why traditional methods are the safety step.
• Cooked rice and Bacillus cereus Why leftover rice needs handling more carefully than most cooked food.
• Cooling cooked food safely Getting hot food out of the danger zone quickly, which is harder than getting it in.
• Cross-contamination How raw food makes cooked food unsafe, and the small habits that prevent it.
• Raw fish and parasites What makes fish safe to eat raw, and what does not.
• Reheating leftovers How hot, how often, and what will not be fixed by reheating.
• Safe internal temperatures The internal temperatures published guidance gives for cooked food, and how to measure them.
• Thawing safely The three safe ways to thaw frozen food, and the one everybody uses that is not.
• The temperature danger zone The temperature range in which bacteria multiply fastest, and how long food may spend there.