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Why are my potatoes a grey color? After I peel the potato, little grey lines appear throughout the flesh. Are they still good to use?
This sounds like it is a chilling injury, which will show grey lines of discoloration. If the lines are very distinct and brown in color, then the potato may have zebra chip. Either one will be okay to mash and eat. However, both will oxidize quickly and cut and boil soon. Don’t cut the potatoes, let them sit, and then boil them. The color may become somewhat off. Also, both potatoes will have higher sugar content, so the potato’s taste may be on the sweeter side.
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Established in 1937, the Idaho Potato Commission (IPC) is a state agency that is responsible for promoting and protecting the famous "Grown in Idaho®" seal, a federally registered trademark that assures consumers they are purchasing genuine, top-quality Idaho® potatoes. Idaho's ideal growing conditions, including rich, volcanic soil, climate and irrigation differentiate Idaho® potatoes from potatoes grown in other states.
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