Sticky glazed lamb ribs with slaw

Recipe

Lamb Ribs with Sticky BBQ Glaze

Published 09 October 2026 · Updated 24 October 2026

Slow-roasted lamb ribs have a rich flavour that stands up to smoked paprika, cumin and a tangy brown-sugar BBQ glaze. A tightly covered roast softens the meat before two thin coats of sauce turn sticky and glossy in the hotter oven.

Not kitchen tested by The Black Farmer.
Serves 3
Prep 20 min
Cook 179 min
Total 209 min

Timing: Preparation: 20 minutes. Estimated cooking: 149–179 minutes; rest: 10 minutes. Estimated total: 179–209 minutes, possibly longer if the ribs need more tenderisation or the oven takes longer to heat. Preparation includes all measuring, garlic preparation, tray checks and seasoning; initial oven heating explicitly overlaps those tasks. Glaze heating is a separate 4-minute hob stage before the 120-minute covered roast. Allow 0–30 extra covered minutes for tenderness, possibly longer. Transfer and oven heat-up add an estimated 10 minutes before the 15-minute uncovered finish; the 7- and 8-minute coats are nested parts of that finish, not additional cooking. Liquid inspections and the achieved 2-minute safe-core hold occur within their cooking stages; an unmet endpoint adds extra time. Resting adds 10 minutes. Metadata uses the upper planning allowance, not a maximum or kitchen-tested promise. No marination is required. Baseline starts fully thawed chilled; defrosting and future cooling, storage and reheating are represented separately and excluded from time to serve. Preparation and appliance heating can take longer. Estimated cooking is 4 + 120 + 30 + 10 + 7 + 8 = 179 minutes; total is 20 + 179 + 10 = 209 minutes. Without the optional 30-minute tenderisation allowance these are 149 and 179 minutes. The initial heating and preparation share a 20-minute parallel group; the verified 2-minute core hold is nested within the 8-minute second coat, never added twice or assumed during rest. Zero-minute conditional and storage segments are accounting markers, not claims that defrosting, extra cooking or cooling takes no time. Storage deadlines and future reheating are excluded from the serving total. Allow longer whenever the oven or meat needs it.

Ingredients

Other Ingredients You'll Need

  • Lamb ribs, bone-in — 1,000 g, bone-in (Recipe quantity, not a verified shopping pack size. Trim only loose excess surface fat; keep the ribs in their supplied pieces and check they fit the tray in one layer. Source separately.)
  • Fine salt — 1 tsp (All for the spice rub; ketchup and Worcestershire sauce also contain salt.)
  • Black pepper — 1/2 tsp, freshly ground (All for the spice rub.)
  • Neutral oil — 2 tsp (All for coating the ribs before the spice rub.)
  • Smoked paprika — 2 tsp (All for the spice rub.)
  • Ground cumin — 1 tsp (All for the spice rub.)
  • Tomato ketchup (for the BBQ glaze) — 6 tbsp (All for the glaze; source separately.)
  • Light brown sugar — 2 tbsp (All for the glaze.)
  • Cider vinegar — 2 tbsp (All for the glaze.)
  • Worcestershire sauce — 1 tbsp (All for the glaze. Check the label for fish and other allergens.)
  • Garlic — 2 cloves, finely grated (All for the glaze; prepare before handling raw meat or on a separate clean board.)
  • Water — 200ml, plus extra hot water only if needed (Initial water goes beneath the ribs in the covered tray, not into the glaze. Add extra hot water only to restore a shallow layer if the tray dries; discard tray fat/liquid before glazing.)

Method

Prepare the tray and ribs

Allow about 20 minutes to measure the ingredients, grate the garlic, inspect the ribs and prepare the tray. Heat the oven to 160°C conventional (140°C fan). Use a deep roasting tin about 30 x 20cm and at least 5cm deep, with a low oven-safe rack and a close-fitting lid or foil. Check that the actual ribs fit in one layer without overlapping and that the cover can seal. If not, use a suitably larger deep tin or two covered tins and divide the listed water between them, adding extra hot water only as needed to maintain a shallow layer. Do not try to cut through bones at home. Start with fully thawed chilled ribs and follow the pack instructions and use-by date; do not leave them out to warm to room temperature. Mix the salt, pepper, smoked paprika and cumin. Trim only loose excess surface fat, leaving the pieces intact. Pat the ribs dry with kitchen paper, coat with all the oil, then rub on all the spice mixture. Keep raw meat away from the glaze ingredients, wash hands and clean utensils and surfaces. Preparation and initial oven heating overlap; wait longer if the oven is not ready.

Make the BBQ glaze

With clean utensils, put all the ketchup, brown sugar, cider vinegar, Worcestershire sauce and grated garlic into a small saucepan. Warm over low heat for about 4 minutes, stirring, until the sugar has dissolved and the sauce is smooth and slightly thickened; do not boil it hard or let it catch. Make the glaze before starting the covered oven cook. Divide the glaze equally between two clean bowls for the two oven coats. Keep both bowls and a clean brush away from raw-meat utensils. There is no reserved table sauce.

Roast covered until tender

Put the ribs on the low rack in a single layer, meatier side up where possible. Pour the 200ml water beneath them and cover tightly. Roast for 120 minutes. Briefly check the shallow liquid layer every 30 minutes during this stage and any extended cooking, carefully lifting the cover away from your face; add extra hot water only if needed and reseal promptly. The checks occur within the covered cooking, not as extra waiting stages. Test several of the meatier pieces with a clean fork: the meat should yield readily and begin to loosen from the bones. If firm, continue covered; allow up to 30 additional minutes as a planning allowance, and longer if needed. Do not start glazing firm ribs: more time at the gentle covered heat, not fierce finishing heat, is what tenderises them. The rack keeps the ribs above much of the rendered fat; discard the tray liquid and fat safely rather than adding them to the glaze.

Set the glaze in two coats

Once the ribs are tender, lift them with clean tongs onto a clean oven-safe rack in a clean roasting tin; do not reuse raw-meat plates. Increase the oven to 220°C conventional (200°C fan). Allow about 10 minutes for transferring the ribs and for the oven to reach temperature; allow longer if it is not ready. Brush the ribs with the first bowl of glaze, including exposed sides. Roast uncovered for 7 minutes, then brush with the second bowl and roast for a further 8 minutes, about 15 minutes in total, until glossy, sticky and browned at the edges. Watch closely and remove sooner if the sugar starts to scorch, provided the cooking safety endpoint is met. During this final cooking, use a clean food thermometer to check the thickest meat on several pieces, avoiding bone: maintain at least 70°C for 2 minutes. Clean the probe after each use, including between pieces, according to its instructions. Count that hold within the finishing stage only if actually maintained; otherwise extend cooking to achieve it, covering loosely if necessary to protect the glaze. Tenderness is a texture cue, not a food-safety measurement. Discard any glaze remaining in the brushing bowls; do not brush it on after cooking.

Rest and serve

Transfer the cooked ribs to a clean serving plate and rest for 10 minutes, loosely covered, before serving. Divide into three portions, judging by the actual amount of meat rather than a fixed rib count. Serve with substantial baked potatoes and vinegar-dressed cabbage and carrot slaw. Accompaniment ingredients and preparation are separate from this recipe and its timings. Set aside any portions intended for storage as soon as cooking finishes; do not wait until the meal ends to start cooling them.

Food safety and allergens

Keep raw ribs sealed on the bottom shelf of a fridge at 0–5°C, or at any stricter temperature specified on the pack, and follow its use-by and opening instructions. Keep preparation time out of the fridge short. If frozen, defrost fully in the fridge in a container to catch drips and use within 24 hours of fully thawing, or sooner if the label requires. Wash hands and clean utensils and surfaces after raw meat; never use raw-contact sauce as a finishing sauce. As soon as cooking finishes, place any portions reserved for storage in small shallow containers, cool quickly and refrigerate within 1–2 hours of finishing cooking. This window does not start after the meal. Keep cooked leftovers at 0–5°C and eat within 48 hours or freeze. Defrost cooked ribs in the fridge and use within 24 hours of fully thawing. Reheat only once until steaming hot throughout; turning portions helps them heat evenly. Protect the sugary coating from scorching while the centre reheats; do not treat a browned glaze as proof of a hot centre. Worcestershire sauce commonly contains fish; check its current label and the ketchup, spices and accompaniments for all allergens. No gluten-free or allergen-free claim is made.

Serving Suggestion

Serve three portions with substantial baked potatoes and vinegar-dressed cabbage and carrot slaw. Accompaniment ingredients and preparation are separate from this recipe and its timings; source all ingredients separately.

Frequently Asked Questions

Why are the ribs still firm after the covered roast?

Lamb ribs are a fatty, bone-in cut, and rib thickness and piece size vary. Keep them covered at the gentle roasting temperature, maintaining the shallow water layer, until a fork enters the meat readily. The extra tenderisation allowance is not a guaranteed maximum; do not use the glazing stage to tenderise firm ribs.

Why add the BBQ glaze only at the end?

The brown sugar and ketchup can scorch before the ribs soften. Cook the ribs covered first, discard the rendered fat and tray liquid, then apply the glaze in two coats during the uncovered finish. The sauce should become glossy and tacky, not black.

How much lamb do I need, and how many does it serve?

Use 1,000 g of bone-in lamb ribs as the recipe quantity, weighed independently of any shopping pack size. This makes three portions with substantial baked potatoes and slaw. Bone and fat reduce the edible yield, so divide by the actual amount of meat rather than a fixed rib count. Buy the ribs separately; no shop pack or basket quantity is specified.