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Storing potatoes properly is essential for maximizing their shelf life and maintaining their quality. Potatoes are a staple in many kitchens, but they are prone to sprouting, turning green, or becoming soft and wrinkled if stored incorrectly. With a few simple storage hacks, you can keep them fresh for up to a week or even longer when placed in a cool, dark place.
The key to long-lasting potatoes begins with the type you buy. For maximum shelf life, choose firm potatoes with smooth, unblemished skins. Avoid any potatoes with sprouts, green spots, cuts, or bruises, as these will deteriorate faster. Smaller potatoes and new potatoes tend to have thinner skins and don’t last as long as larger varieties with thicker skins.
Potatoes prefer a temperature range of 45°F to 55°F (7°C to 13°C). At these temperatures, they won’t sprout as quickly or become overly soft. It may sound like a nice idea to store potatoes in the fridge, especially if you’re low on pantry space, but cold temperatures cause the starch in potatoes to convert into sugar. This can cause them to discolour when cooked. While refrigeration slows sprouting, it also affects the taste and texture of potatoes, making them less ideal for many recipes. Stick to cool, but not cold, storage spaces for the best results.
The best hack is to find a pantry, cellar, or cabinet that is ideal as long as it stays cool and away from light. The problem with light is that it can cause the potatoes to turn green due to the production of solanine, a toxin that gives the skin and flesh a bitter taste. Prolonged exposure to light not only alters the taste but also makes potatoes unsafe to eat in large amounts.
Make sure the space is dry because moisture accelerates the growth of mold and can cause the potatoes to rot. A cool, dark, and dry environment is perfect for prolonging their shelf life. Potatoes need air circulation to stay fresh. Never store them in tightly sealed plastic bags or airtight containers. These restrict airflow, causing moisture to build up, leading to rot or mold. Instead, use breathable bags such as mesh, burlap, or paper bags that allow for proper ventilation.
Adding a paper or cloth liner at the bottom of the basket or container can help absorb excess moisture that may accumulate. This keeps the potatoes dry and further reduces the risk of rot. It’s a small step, but one that can make a big difference if your storage area is prone to moisture.
