Guardian Life & Style (US) • Jan. 6, 2026, 11:44 a.m.

<p>This holiday staple is also one of the world’s oldest crops – here’s what to know about adding sweet potatoes to your diet</p><p>Sweet potatoes can be roasted, mashed, fried and pied – you might have eaten them so often that they feel old hat.</p><p>In a way, they are – sweet potatoes count among the world’s oldest domesticated crops. Archeological evidence suggests they were cultivated in South America “more than 4,500 years ago”, says Michelle Johnson, a seed historian, journalist and self-described “sweet potato superfan”.</p> <a href="https://www.theguardian.com/wellness/2025/dec/19/are-sweet-potatoes-healthy">Continue reading...</a>

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