Your complete guide to russet potato - discover how to store it properly, identify when it's gone bad, and find the best substitutes for your recipes.
Storage times and freshness tips for russet potato in different conditions.
Safety first: This guide provides general information. When in doubt, throw it out! Trust your senses and err on the side of caution. If something smells, looks, or tastes off, don't consume it.
Soft spots or mushy texture, extensive greening of the skin, significant sprouting (more than small eyes), wrinkled or shriveled skin, visible mold (fuzzy white, black, or green patches), an earthy, musty, or unpleasant odor.
Visually inspect for green areas, large sprouts, mold, or shriveling. Gently squeeze the potato; it should feel firm. Softness or mushiness is a sign of spoilage. Smell the potato; a fresh potato has a mild, earthy scent. Any strong, sour, or musty odor indicates it's past its prime.
Store in a cool (45-55°F / 7-13°C), dark, and well-ventilated place. Avoid storing in the refrigerator, as cold temperatures convert starch to sugar, affecting flavor and texture. Keep away from onions and apples, as gases they emit can accelerate sprouting. Do not wash potatoes until just before use, as moisture can encourage mold growth.
Significant browning or graying (oxidation), slimy texture, sour or fermented smell.
Visually check for extensive discoloration (beyond slight browning from initial air exposure) and a slimy film. Smell for any sour or unpleasant odors. Touch to check for sliminess.
To prevent browning and extend freshness slightly, submerge cut potatoes in cold water in an airtight container in the refrigerator. Change the water daily if storing for longer than a few hours. This is a short-term solution for prepped potatoes.
Slimy or sticky texture, sour or off-putting smell, visible mold growth (white, green, black fuzzy spots), unusual discoloration (dark spots, graying).
Visually inspect for mold or discoloration. Smell for any sour, fermented, or generally unpleasant odors. Touch the potato; if it feels slimy or sticky, it's spoiled.
Store cooked potatoes in an airtight container to prevent drying out and absorption of other food odors. Ensure potatoes are cooled completely before refrigerating to prevent bacterial growth and condensation.
Severe freezer burn (dry, discolored, leathery patches), significant deterioration in texture upon thawing (excessively mushy or watery, though some texture change is normal), off-flavors (rare if properly stored).
Visually inspect for extensive freezer burn. After thawing, assess texture; if it's unpleasantly mushy or watery, quality has degraded significantly. A smell test might reveal off-odors, though this is less common for properly frozen potatoes.
Raw potatoes do not freeze well; they become mushy upon thawing. Always cook or blanch potatoes before freezing. Mash, roast, or par-cook diced potatoes before freezing for best results. Store in airtight, freezer-safe containers or heavy-duty freezer bags to prevent freezer burn.