Lamb Chops with Roasted Mushrooms, Duck Fat Fingerlings, and Late-Summer Vegetables

A deeply browned lamb chop anchors this late-summer Shabbat plate, with roasted mushrooms and duck fat potatoes crisp at the edges. Juicy Early Girl tomatoes and torn basil keep things bright, while zucchini and sweet roasted onions get a restrained finish of aged balsamic.

By Jonathan Katzman · Cooked and photographed · Recipe updated

Serves: 4 servings

Tags: gluten-free, nut-free

Lamb Chops with Roasted Mushrooms, Duck Fat Fingerlings, and Late-Summer Vegetables

Pan-Seared Lamb Loin Chops

A dry surface and hot skillet develop a savory crust while leaving the thick loin meat juicy. Resting gives you time to finish the vegetables without overcooking the lamb.

Ingredients

  • 4 large bone-in lamb loin chops, 1¼–1½ inches thick, about 10–12 ounces each
  • 1½ teaspoons kosher salt, plus more to taste
  • ½ teaspoon freshly ground black pepper
  • 1½ tablespoons ghee

Instructions

  1. Pat the chops dry and season with salt and pepper. Refrigerate uncovered for at least 30 minutes, or up to overnight.
  2. Heat a heavy oven-safe skillet over medium-high heat. Add the ghee, then the chops without crowding; use two skillets if necessary.
  3. Sear for 3–4 minutes on the first side and 2–3 minutes on the second, until deeply browned. Hold the fatty edges against the pan with tongs for 1–2 minutes to render and brown them.
  4. Check the temperature in the center, away from the bone. If needed, finish in a 425°F oven for 3–6 minutes. For rosy medium-rare, pull at 130–135°F and rest 5–8 minutes; for USDA guidance, cook to 145°F and rest at least 3 minutes.
  5. Spoon the resting juices over the chops when serving.

Notes

  • Thickness matters more than weight; begin checking early if the chops are thinner than 1¼ inches.

Roasted Mixed Mushrooms with Garlic and Rosemary

Roasting mushrooms in a single layer concentrates their savoriness without steaming them. Garlic and rosemary link the mushrooms to the lamb without needing a separate sauce.

Ingredients

  • 1 pound mixed mushrooms, such as oyster, cremini, and shimeji
  • 2 tablespoons extra-virgin olive oil
  • 3 cloves garlic, thickly sliced
  • 2 sprigs rosemary
  • ½ teaspoon kosher salt
  • ¼ teaspoon freshly ground black pepper

Instructions

  1. Heat the oven to 425°F. Trim the mushrooms, tear oyster mushrooms into broad strips, halve or quarter cremini, and separate shimeji into small clusters.
  2. Toss the mushrooms with olive oil, salt, and pepper on a rimmed baking sheet. Spread into a single layer with space between pieces.
  3. Roast for 12 minutes, then turn and add the garlic and rosemary, coating them in the oil on the tray.
  4. Roast another 6–13 minutes, until the released moisture has evaporated and the mushrooms have browned edges. Discard the woody rosemary stems and adjust seasoning.

Notes

  • If the tray is crowded, use two smaller trays rather than piling the mushrooms.

Early Girl Tomatoes with Basil

Ripe tomatoes bring their own acidity, balancing the rich lamb and potatoes. Dressing shortly before serving preserves their texture and the basil's freshness.

Ingredients

  • 1¼ pounds ripe Early Girl tomatoes
  • 1 cup loosely packed basil leaves
  • 1½ tablespoons extra-virgin olive oil
  • ½ teaspoon flaky sea salt, or to taste
  • ¼ teaspoon freshly ground black pepper

Instructions

  1. Core the tomatoes and cut into substantial wedges.
  2. Just before serving, gently toss with olive oil, salt, and pepper.
  3. Tear the larger basil leaves and fold them through, leaving smaller leaves whole. Serve at room temperature with their juices.

Duck Fat Roasted Fingerling Potatoes

Parboiling cooks the centers and creates a slightly rough surface that crisps in duck fat. A hot tray and cut-side-down roasting produce the deeply golden faces seen on the finished plate.

Ingredients

  • 1½ pounds fingerling potatoes, halved crosswise or cut into 1½-inch pieces
  • 3 tablespoons duck fat
  • 1 tablespoon kosher salt, for the boiling water
  • ½ teaspoon kosher salt, for roasting, plus more to taste
  • ¼ teaspoon freshly ground black pepper

Instructions

  1. Heat the oven to 425°F with a sturdy rimmed baking sheet inside.
  2. Put the potatoes in a saucepan, cover with cold water, and add the tablespoon of salt. Bring to a boil, then simmer for 8–10 minutes, until the outsides are tender but the centers still offer resistance.
  3. Drain thoroughly and let steam-dry for 3–5 minutes. Shake gently in the colander to roughen the edges without breaking the potatoes.
  4. Carefully add the duck fat to the hot tray. Add the potatoes, roasting salt, and pepper; turn to coat, then arrange with cut faces against the metal.
  5. Roast for 30–40 minutes, turning after about 20 minutes, until deeply golden and crisp with creamy centers. Taste and salt while hot.

Roasted Zucchini and Spring Onions with 12-Year Balsamic

Thick zucchini rounds can brown without collapsing, while onion wedges become sweet and tender. Adding aged balsamic after roasting preserves its aroma and prevents scorching.

Ingredients

  • 1¼ pounds medium zucchini, cut into ½-inch rounds
  • 4 bulbous red spring onions, or 2 small red onions
  • 2 tablespoons extra-virgin olive oil
  • ¾ teaspoon kosher salt
  • ¼ teaspoon freshly ground black pepper
  • 2 teaspoons 12-year aged balsamic vinegar, gluten-free

Instructions

  1. Heat the oven to 425°F. Trim the onions and cut the bulbs into wedges through the root so the layers stay attached. Reserve any tender green tops.
  2. Toss the onion wedges with half the olive oil and a little of the salt and pepper. Spread on a large rimmed baking sheet and roast for 5 minutes.
  3. Toss the zucchini with the remaining oil, salt, and pepper. Add to the tray in a single layer, with flat sides against the metal.
  4. Roast for another 20–25 minutes, turning once, until the zucchini is browned but still holds its shape and the onions have tender centers and dark edges. Add any tender onion tops for the final 5 minutes.
  5. Transfer to a serving dish and drizzle with the aged balsamic while warm.

Notes

  • Use a second tray if needed; crowded zucchini steams rather than browns.

Overall Timing / Workflow

All roasted components use the same oven temperature. The potatoes start first, while the lamb cooks near the end and the tomatoes are dressed last.

Instructions

  1. 0:00 — Season the lamb and refrigerate. Heat the oven to 425°F with the potato tray inside, and start the potatoes in cold salted water.
  2. 0:10 — Prepare the mushrooms, zucchini, and onions while the potatoes simmer.
  3. 0:15 — Drain and steam-dry the potatoes, then coat with duck fat on the hot tray and begin roasting.
  4. 0:25 — Start roasting the onions; add the zucchini 5 minutes later. Put the mushrooms on a separate tray in the oven at about 0:30.
  5. 0:35 — Turn the potatoes. Rotate trays between racks as needed for even browning; keep the vegetables in single layers.
  6. 0:40 — Heat the lamb skillet and sear the chops. Add garlic and rosemary to the mushroom tray when its initial 12 minutes are up.
  7. 0:50 — Check the lamb temperature and finish in the oven if necessary. Remove roasted vegetables as they become ready and rest the lamb.
  8. 0:55–1:10 — Finish the zucchini and onions with balsamic, dress the tomatoes with basil, and plate. If necessary, briefly re-crisp the potatoes in the oven before serving.

Notes

  • For a small oven, roast the mushrooms ahead, then rewarm them for a few minutes while the lamb rests. Allow extra time rather than crowding trays.

Plating

Keeping the components in distinct clusters preserves their contrasting textures. Mushrooms belong against the lamb, while the juicy tomatoes stay away from the crisp potatoes.

Instructions

  1. Place a lamb chop on each plate and spoon its resting juices over the meat. Arrange roasted mushrooms over and beside the chop.
  2. Add a generous cluster of duck fat potatoes and a separate portion of zucchini and spring onions.
  3. Set the tomatoes and basil alongside, keeping their juices mostly clear of the potatoes. Spoon any balsamic left in the vegetable dish over the zucchini and onions.

Leftover Path

Separate storage makes it possible to re-crisp the potatoes without overcooking the lamb or warming the fresh tomato salad.

Instructions

  1. Refrigerate the lamb and cooked vegetables in separate airtight containers within 2 hours; use within 3–4 days. Store the tomato salad separately and eat within 1 day for best texture.
  2. Re-crisp potatoes in a 425°F oven for 10–15 minutes. Reheat mushrooms and zucchini on a separate tray, removing them when hot.
  3. For the best lamb texture, slice it thinly and serve cold with the tomatoes and roasted vegetables. If reheating, warm covered with a splash of water or stock and bring leftovers to 165°F.
  4. Use extra potatoes, mushrooms, and onions in a next-day hash, adding sliced lamb at the end or serving it cold alongside.