Herb Roast Lamb with Potatoes
Dinner · Meat & Poultry Mains
Herb Roast Lamb with Potatoes
- Prep
- 15 minutes
- Cook
- 1 hour
- Resting
- 15 minutes
- Total
- 1 hour 30 minutes
- Serves
- 6 people
Before you start
Gather your ingredients.
Check your pantry before you begin. Full quantities and serving adjustments are in the recipe card below.
See the ingredient checklist
- 2 lbs Lamb shoulder roast (boneless, tied with butcher’s twine)
- 4 cloves Garlic (minced)
- 1 Tbsp Rosemary (freshly chopped)
- 2 tsp Thyme (fresh leaves)
- 3 Tbsp Extra Virgin Olive Oil (divided)
- Kosher Salt (to taste)
- Ground Black Pepper (to taste)
- 2 lbs Baby Potatoes (halved if large)
Choose the specified cut
This method is for a two-pound boneless shoulder roast tied into an even shape. Use a thermometer for doneness, then rest before slicing. It produces a carved roast rather than pull-apart braised lamb.
Adapted from Laura Rege at Delish.
The cooking plan
How to make Herb Roast Lamb with Potatoes.
Heat the oven to 450°F (230°C), with a rack in the lower third. Use the listed 2-pound boneless shoulder roast, tied into an even shape with kitchen twine. Pat the surface dry. Mix garlic, rosemary, fresh thyme, and 1 tablespoon of the olive oil, with salt and pepper to taste. Rub over the lamb.
Toss the potatoes with the remaining 2 tablespoons olive oil and salt and pepper to taste in a 9-by-13-inch metal roasting pan. Halve larger potatoes so the pieces are similar in size. Set the lamb on top.
Roast for about 1 hour, checking early because the shape and thickness of the tied roast affect cooking time. Place a food thermometer in the center of the thickest part. Cook to at least 145°F (63°C) before removing it from the oven; do not rely on time or color alone.
Transfer the lamb to a carving board and tent loosely with foil. Rest 15 minutes before removing the twine and slicing across the grain. Check that the potatoes are tender; if needed, return them to the oven while the lamb rests. Serve with the sliced roast.
Let’s cook
The full recipe.
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Herb Roast Lamb with Potatoes
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Ingredients
Equipment
Equipment images are illustrative. Exact products may vary.
Instructions
- Heat the oven to 450°F (230°C), with a rack in the lower third. Use the listed 2-pound boneless shoulder roast, tied into an even shape with kitchen twine. Pat the surface dry. Mix garlic, rosemary, fresh thyme, and 1 tablespoon of the olive oil, with salt and pepper to taste. Rub over the lamb.
- Toss the potatoes with the remaining 2 tablespoons olive oil and salt and pepper to taste in a 9-by-13-inch metal roasting pan. Halve larger potatoes so the pieces are similar in size. Set the lamb on top.
- Roast for about 1 hour, checking early because the shape and thickness of the tied roast affect cooking time. Place a food thermometer in the center of the thickest part. Cook to at least 145°F (63°C) before removing it from the oven; do not rely on time or color alone.
- Transfer the lamb to a carving board and tent loosely with foil. Rest 15 minutes before removing the twine and slicing across the grain. Check that the potatoes are tender; if needed, return them to the oven while the lamb rests. Serve with the sliced roast.
Notes
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Use the serving controls in the recipe card. Ingredient quantities change automatically; quantities written in the instructions, pan sizes and cooking times still need your attention.
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