Low Iodine Lemon & Olive Oil Root Vegetable Mash
Root vegetables like parsnips, turnips, and sweet potato are naturally low in iodine, which makes this kind of mash a genuinely satisfying option when you're navigating a restricted diet and still want something hearty and comforting on the table. The combination of three different roots gives the mash a complex, slightly sweet flavor that plain mashed potato just can't match. A spiced olive oil — warmed with turmeric and ground ginger — gets folded right into the mash, adding warmth and depth without any dairy or iodized salt concerns. Fresh lemon juice and zest brighten the whole thing up so it tastes light and vibrant despite being a rich, creamy side dish. The trick of letting the drained vegetables steam dry for a minute or two before mashing is a small step that makes a real difference, keeping the texture fluffy rather than watery. A final drizzle of extra-virgin olive oil and a scatter of fresh parsley make it look as good as it tastes. It works beautifully alongside simply prepared proteins or as a standalone bowl when you just need something warming and nourishing.
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Learn more →Ingredients
4 servings
- 2 medium parsnips (about 12 oz total), peeled and cut into 1-inch chunks
- 1 medium sweet potato (about 10 oz), peeled and cut into 1-inch chunks
- 2 medium turnips (about 10 oz total), peeled and cut into 1-inch chunks
- 1 tsp fine sea salt, plus more to taste
Chef's tipFine sea salt and table salt measure the same - no conversion needed. - 3 tbsp extra-virgin olive oil, plus more for drizzling
- 2 tbsp fresh lemon juice (from about 1 lemon)
- 1 tsp lemon zest
- ¼ tsp ground turmeric
- ¼ tsp ground ginger
- 2 cloves garlic, peeled and smashed
- 2 tbsp fresh flat-leaf parsley, finely chopped (optional)
Instructions
- 1
Place the parsnips, sweet potato, turnips, and smashed garlic cloves in a large pot. Cover with cold water by at least 1 inch and add 1 tsp fine sea salt. Bring to a boil over high heat, then reduce to a steady simmer and cook until all the vegetables are completely tender and a fork slides through without resistance, about 20–22 minutes.
- 2
Drain the vegetables through a colander, then return them to the warm pot. Let them sit uncovered for 1–2 minutes so residual steam can escape — this prevents a watery mash.
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