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Smashed yams with crispy onions

Servings: 4
Author: Shelly


  • 4 - 6 small Japanese yams or sweet potatoes
  • 1 medium onion
  • Preserved lemons or lemon or lime zest
  • Coarse salt
  • Sesame oil
  • Tamari or soy sauce
  • Half lime
  • Scallion - sliced for garnish


  • Put the yams in a medium saucepan and cover with water. Put the saucepan over high heat and bring to a boil. Lower the heat to medium and cook until the yams are tender.
  • Preheat the oven to 400°F/200°. Line a baking tray with baking paper.
  • Peel and slice the onion. Chop the preserved lemons finely or zest the lemon or lime.
  • Place the yams on the baking tray, put a spatula over each yam and smash it. Sprinkle over the onions, preserved lemons or zest the lemon and salt. Drizzle a little bit sesame oil and tamari, and put the tray in the middle rack of the oven.
  • Roast until the onions are crispy and the yams' skin is golden brown, about 10-15 minutes. Place the smashed yams on a plate, squeeze lime juice over, garnish with scallion and serve immediately.