Low Iodine Lemon & Olive Oil White Sweet Potato Mash
White sweet potatoes are the quieter, creamier cousin of the orange variety, and when mashed with bright lemon and good olive oil, they become something genuinely special. This dish is a smart choice when you're navigating iodine restrictions, since it skips dairy entirely — no butter, no milk, no cream — and relies instead on extra-virgin olive oil for that silky, rich texture. The garlic is bloomed in oil with turmeric and ginger before it ever meets the potatoes, which means every bite carries a warm, aromatic depth that feels far more complex than the short ingredient list suggests. Fresh lemon juice and zest cut right through the richness and keep the whole bowl tasting lively and bright. A final drizzle of olive oil and a scatter of fresh parsley make it look as good as it tastes. It works beautifully as a side for roasted proteins or as a comforting centerpiece on its own.
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Learn more →Ingredients
4 servings
- 2 lb white sweet potatoes, peeled and cut into 1 ½-inch chunks
- 1 tsp fine sea salt, plus more for the cooking waterChef's tipFine sea salt and table salt measure the same - no conversion needed.
- 3 tbsp extra-virgin olive oil, plus more for drizzling
- 2 cloves garlic, minced
- ¼ tsp ground turmeric
- ¼ tsp ground ginger
- 2 tbsp fresh lemon juice (from about 1 lemon)
- 1 tsp lemon zest
- 2 tbsp fresh parsley, finely chopped (optional)
Instructions
- 1
Place the white sweet potato chunks in a large pot and cover with cold water by at least 1 inch. Add a generous pinch of salt. Bring to a boil over high heat, then reduce to a steady simmer and cook until the potatoes are completely tender and a fork slides through without resistance, 18–22 minutes.
- 2
While the potatoes cook, heat 1 tbsp of the olive oil in a small skillet over medium-low heat. Add the minced garlic and cook, stirring frequently, until softened and fragrant but not browned, about 1–2 minutes. Stir in the turmeric and ginger and cook for 30 seconds more, until the spices are fragrant. Remove from heat.
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