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White potatoes are one of those foods that seem simple, but safety matters here. Because they are low-acid, they need to be pressure canned, not water bath canned. That is the only tested method for making them shelf-stable at home. The best method is a hot pack, which means boiling the potatoes before packing them into jars. This helps them heat evenly and gives you a safer result. It also helps them hold up better in the jar. One thing that often gets overlooked is altitude. If you live higher up, you need to adjust the pressure so your jars process correctly. Skipping that step can affect safety, so it is worth checking before you start. Also, keep the jars plain. Do not add butter, milk, flour, oil, or other thickeners. Those ingredients can change how the potatoes process and store. If you want the full step-by-step method, including timing and jar sizes, read the full article here: Canning White Potatoes Safely at Home. And if you need help with pressure changes for your elevation, this guide on pressure canner altitude adjustments will help. A little care now means better jars later, and less guessing when you open one on a busy night. Happy Preserving! |
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