Chef Juliette
Baron (or Pair of Hind-quarters) of Lamb
A whole saddle and its two hind legs, butter-poêlé under a close cover, carved rosy beside new vegetables and clear pan gravy: grand anatomy brought within reach of one home oven.
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Carré d’Agneau à la Boulangère
Created by Chef Juliette
Based on No. 1363, Carré d’Agneau à la Boulangère, from Le Guide Culinaire (1907) by Auguste Escoffier
Carré d’Agneau à la Boulangère sets a butter-browned rack over onions and thick potato rounds, letting the joint season its own garnish. The lesson is timing: one dish, two clocks, nothing wasted.
Main Dishes
French
Comfort Food
Special Occasion
One Pot
25 min
Active Time
1 hr 5 min cook•1 hr 45 min total
Yield4 servings
Carré d’Agneau à la Boulangère (rack of lamb with baker’s potatoes) teaches one clean principle: lamb and potatoes do not share a clock. The carré is tender and quick; half-inch potato roundels need time to soften before their edges can bronze. Give the vegetables their head start and the rack can remain rosy while its fat runs down through onions and potatoes.
The entry sends the cook to the canonical procedure for Gigot à la Boulangère (No. 1307), which assumed a substantial joint whose roasting time matched the potatoes beneath it. Its old butchery language points to the neck-end carré, sold at a modern butcher’s counter as a rack. For four people, one eight-rib rack is the honest equivalent, and the only deliberate timing change is to brown the rack, let the vegetables begin cooking without it, then reunite everything for the finish.
The brigade’s synchronized timing is scaffolding and can go. Browning the lamb in butter, coloring the onions, cutting the potatoes a full half-inch thick, bathing them in the joint’s fat, and serving everything in the cooking dish are the dish itself, so they stay. There is no saucier, no stockpot kept constantly hot, and no salamander to replace; the joint supplies the sauce and the oven supplies the color. Watch the rack’s internal temperature before you trust the clock. That is the step that matters.
À la boulangère belongs to working household tables across France, where families entrusted prepared joints and potatoes to neighborhood boulangeries after the bread came out of the oven. Classical kitchens fixed that domestic practice into a method: onions lightly colored in butter, thick rounds of potato, and a joint whose fat seasons them, all served in the baking dish. Although boulangère literally points toward the baker’s wife, the culinary name records the baker’s oven and the household custom, not a separate sauce or a garnish belonging to one province.
The technique, the tradition, and the story behind every dish.
Discover Culinary ExplorerIngredients
eight-rib rack of lamb
Quantity
1 rack (2¼ to 2½ lb / 1 to 1.15 kg)
chine bone removed and fat cap trimmed to ⅛ inch (3 mm)
large yellow onions
Quantity
2 large (4 cups / 1 lb / 450 g)
sliced ¼ inch (6 mm) thick
Yukon Gold potatoes
Quantity
6 medium (about 6 cups / 2 lb / 900 g)
peeled and cut into ½-inch (1.25-cm) roundels
unsalted butter
Quantity
4 tablespoons (60 ml / 57 g)
divided
fine sea salt
Quantity
2 teaspoons (10 ml / 12 g)
divided
freshly ground black pepper
Quantity
1 teaspoon (5 ml / 2 g)
divided
canonical à la Boulangère procedure
Quantity
1 application of Gigot à la Boulangère (No. 1307)
scaled and timed for a tender rack
| Ingredient | Quantity |
|---|---|
| eight-rib rack of lambchine bone removed and fat cap trimmed to ⅛ inch (3 mm) | 1 rack (2¼ to 2½ lb / 1 to 1.15 kg) |
| large yellow onionssliced ¼ inch (6 mm) thick | 2 large (4 cups / 1 lb / 450 g) |
| Yukon Gold potatoespeeled and cut into ½-inch (1.25-cm) roundels | 6 medium (about 6 cups / 2 lb / 900 g) |
| unsalted butterdivided | 4 tablespoons (60 ml / 57 g) |
| fine sea saltdivided | 2 teaspoons (10 ml / 12 g) |
| freshly ground black pepperdivided | 1 teaspoon (5 ml / 2 g) |
| canonical à la Boulangère procedurescaled and timed for a tender rack | 1 application of Gigot à la Boulangère (No. 1307) |
Equipment Needed
- •12 by 9-inch (30 by 23-cm), 3-quart (3-liter) oven-safe earthenware or ceramic roasting dish
- •Instant-read meat thermometer
- •Tongs or two sturdy spoons
- •Parchment paper and foil
Instructions
- 1
Prepare the carré
Heat the oven to 450°F (230°C) with a rack in the upper-middle position. Pat the lamb completely dry, because moisture prevents browning, then score only the surface of the fat cap in a shallow diamond pattern without cutting into the meat. Season the rack with 1 teaspoon (5 ml / 6 g) of the salt and ½ teaspoon (2.5 ml / 1 g) of the pepper. Slice the onions and potatoes evenly; unequal potatoes finish at unequal times.
- 2
Brown in butter
Smear 1 tablespoon (15 ml / 14 g) of the butter over the bottom of a broad oven-safe earthenware or ceramic roasting dish, and rub another tablespoon (15 ml / 14 g) over the lamb. Set the rack fat-side down in the dish and roast for 7 minutes, then turn it fat-side up and roast for another 7 minutes. The meat should be richly golden and the dish floor should carry a nut-brown fond. If the butter turns black and smells acrid, lift out the lamb, wipe away the burnt solids, and continue with fresh butter. Ça se rattrape. Brown butter is useful; burnt butter is not.
- 3
Start the garnish
Transfer the browned rack to a platter and lower the oven to 400°F (200°C). Following the garnish and proportions of Gigot à la Boulangère (No. 1307), add the remaining 2 tablespoons (30 ml / 28 g) butter and the sliced onions to the hot dish. Turn the onions through the butter and lamb fond, spread them evenly, and bake uncovered for 10 minutes, stirring once, until they soften and acquire pale golden edges.
- 4
Give potatoes time
Add the potato roundels to the onions with the remaining 1 teaspoon (5 ml / 6 g) salt and ½ teaspoon (2.5 ml / 1 g) pepper. Turn everything thoroughly so the potatoes collect the butter, lamb fat, and loosened fond, then arrange them in overlapping layers no more than three deep. Cover the dish snugly with parchment and foil, and bake for 25 minutes. A knife should meet resistance at the centers but enter the outer edges readily. They are not finished yet.
- 5
Finish them together
Remove the covering and raise the oven to 425°F (220°C). Set the rack fat-side up over the potatoes, pour any juices from its platter into the dish, and spoon a little of the accumulated fat over the top layer. Roast uncovered for 12 to 18 minutes, until the lamb is done to your liking and the potatoes are tender with bronze edges. For rosy medium-rare, remove the rack at 128 to 130°F (53 to 54°C); for conservative food-safety guidance, cook the lamb to 145°F (63°C) and rest it for at least 3 minutes.
If the lamb reaches its temperature while the potatoes remain firm, remove the rack immediately and let it rest. Return the potatoes to the oven for 8 to 12 minutes. Ça se rattrape, and this is precisely why the thermometer outranks the clock. - 6
Rest and serve
Rest the rack loosely covered for 10 to 15 minutes. If the potatoes are already tender, remove their dish from the oven as well; if they need more color, leave them uncovered while the meat rests. Pour the lamb’s resting juices over the potatoes, return the whole rack to the dish, and carry it directly to the table. Carve between the ribs and give each person two chops with a generous bed of onions and potatoes. À table!
Chef Tips
- •Ask the butcher for an eight-rib rack with the chine bone removed, but keep a modest fat cap. Scrubbing every bone bare may look tidy, yet the missing fat is exactly what the potatoes needed for seasoning.
- •Yukon Gold or another firm, buttery all-purpose potato holds its round shape while absorbing the lamb juices. A very floury potato can collapse before the rack is ready.
- •Use only earthenware or ceramic marked safe for a hot oven, and never move the hot dish onto a wet or cold surface. Set it on a folded dry towel or wooden board to prevent thermal shock.
- •Serve with a Cabernet-led red such as a Médoc, whose structure suits the lamb without smothering the sweet onions. The potatoes already provide the full accompaniment; a sharply dressed green salad is enough beside them.
- •Leftovers keep for up to 2 days in the cold. Reheat the potatoes at 375°F (190°C) until their edges regain their sheen, adding the sliced lamb only for the final few minutes so it does not dry out.
Advance Preparation
- •Season the rack up to 24 hours ahead and refrigerate it uncovered; the dry surface will brown particularly well. Bring it out of the cold about 30 minutes before roasting.
- •The onions may be sliced up to 4 hours ahead and kept covered in the cold. Peel the potatoes up to 6 hours ahead and hold them whole in cold water, then dry and slice them just before cooking so their useful surface starch remains.
- •The dish is best brought to the table as soon as the lamb has rested. If timing slips, hold the potatoes in the turned-off oven with the door slightly open and keep the rack loosely covered at room temperature for no longer than 20 minutes.
Frequently Asked Questions
Nutrition Information
1 serving (about 420g)
Calories
790 calories
Total Fat
48 g
Saturated Fat
23 g
Trans Fat
2 g
Unsaturated Fat
22 g
Cholesterol
160 mg
Sodium
1280 mg
Total Carbohydrates
50 g
Dietary Fiber
7 g
Sugars
7 g
Protein
39 g
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