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Why do steamed or boiled potatoes turn grey or black after cooking?

April 26, 2017Black boiled Cooking Grey potatoes steamed turn

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Why do steamed or boiled potatoes turn grey or black after cooking?

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While cooling, iron in the potato combines with other natural compounds, causing a grey, black, or bluish-purple color. To prevent this, after the potatoes are cooked and drained, stir in a small amount of lemon juice and keep them covered with a tight-fitting lid.