Tree Nut Free Lemon & Olive Oil Root Vegetable Mash
Root vegetables don't always get the credit they deserve, but this golden, fragrant mash is the kind of side dish that quietly steals the show. Parsnips, sweet potato, and turnips are simmered until completely tender, then brought together with warm spiced olive oil, bright lemon juice, and a hit of zest that makes the whole bowl sing. 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 — no watery, flat results here. Ground turmeric and ginger bloom in the warm olive oil before being folded in, giving the mash a beautiful color and a gentle warmth that feels both comforting and a little unexpected. Everything in this recipe is naturally free from tree nuts, so there's no need to scrutinize labels or swap anything out — it's straightforwardly safe and satisfying from the first ingredient to the last. A final drizzle of olive oil and a scatter of fresh parsley make it look as good as it tastes. Serve it alongside roasted chicken, grilled fish, or honestly just a good piece of crusty bread and call it dinner.
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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
- 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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