Guides
Deeper dives into topics that affect how food keeps—and how to preserve it.
-
Canning
How water bath and pressure canning work, when to use each, and why acidity determines the right method.
-
Dehydrating food for storage
How dehydration preserves food, what works best, and how it differs from freeze drying.
-
Ethylene and food storage
How ethylene gas affects ripening and spoilage, and how to use or avoid it when storing produce.
-
Freeze drying at home
What freeze drying is, how it preserves food, and when it's worth considering for long-term storage.
-
Pickling and fermentation for preservation
How vinegar pickling and lactic acid fermentation preserve food, what works for each, and how they fit with refrigeration and canning.
-
Using vacuum pressure for storing food
How vacuum sealing preserves food by removing air—with bags or rigid containers—what to seal (and what to avoid), and how it fits with fridge and freezer storage.