GASTRO-LX / Codex™ / Recipes / Hand-Cut Beef Tartare
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GSLX-BTT-001 · SIGNATURE STARTER · KNIFE PROGRAMME
Starter · Raw Beef · Knife Programme
v1.0 · FINAL
Issued · 19 August 2026

Hand-Cut Beef Tartare · Toast

35-day aged fillet · hand-cut to 3mm dice · cured yolk emulsion · fine-brunoise shallot and caper · Dijon · Worcestershire · sourdough toast points.

Authored · Edward Phillips Blanco, FIH CMC Signed · Knife Programme · MMXXVI
Yield10covers
Portion85g
Total Time45min
SkillCDP · Knife
Cost/Cover£1.44
Sell£18.00
Hand-cut beef tartare with cured yolk emulsion and sourdough toast points — hero shot
GSLX-BTT-001 · HERO 35-day aged fillet · cured yolk · sourdough toast · 85 g portion
Hand-cut · 3 mm dice 35-day aged fillet 4 °C service Fine brunoise Sourdough · charred À la minute · < 4 min
01

Provenance & Sourcing

CutCentre-cut fillet · chateaubriand section
OriginNative breed · Aberdeen Angus · Yorkshire
Age35 days dry-aged · 2 °C · 80% RH
EggFree-range Burford Brown · cured yolk
SourdoughHouse levain · 72 h ferment · Wildfarmed flour
CapersSalt-packed Pantelleria · rinsed same-day
SupplierThe Ginger Pig · Yorkshire · farm-direct
TraceabilityEar-tag to plate · logged
02

Mise en Place

Six components, weighed and portioned. Once the knife touches the beef, service starts.

03

Method — four moves

The cut cannot be rushed. The dressing cannot be measured by eye. Both are learned on the block.

  1. Trim & slice. Fillet from cure to service board. Remove any silverskin. Slice into 3 mm sheets against the grain with the 24 cm chef knife. Never mince.
  2. Dice. Turn the sheets 90°, cut into 3 mm strips, then 3 mm dice. The cube must be visible on the plate. Keep the beef on chilled marble, never wooden board.
  3. Dress. In a chilled steel bowl: beef + 15 g brunoise (shallot, caper, cornichon) + 8 g cured yolk emulsion + 2 dashes Worcestershire + 1 dash Tabasco + Dijon. Fold with two forks. Season LAST.
  4. Plate. 85 g quenelle to a chilled slate plate using two spoons. Two sourdough toast points at 4 o'clock. Cured yolk swipe at 8 o'clock. Sea salt at pass. Cutlery: butter knife + fork, both chilled.
04

Critical Control Points

CCP Standard Verification
Beef core temp< 4 °C throughout serviceMarble board on ice · verified 20 min
Cutting boardMarble or steel · never woodKitchen check · every service
Knife hygieneSanitised between portionsAlcohol wipe · logged per shift
Yolk pasteurisationCured min. 48h at < 4 °CCure log · dated jars
Service window< 4 min from dress to guestPass timer · tracked
05

Sub-Recipes & Components

Cured yolk emulsionGSLX-SUB-CY-004 · 48-hour salt cure · whipped
Fine brunoise mixGSLX-SUB-BM-005 · Shallot / caper / cornichon (3:1:1)
Charred sourdoughGSLX-SUB-CS-006 · Wildfarmed levain · 72h ferment
06

Classification

CategoryStarter · raw beef · classical
Menu PositionCourse 2 of 5 · after amuse, before fish
ComplexityTier 2 · CDP with knife discipline
PlateChilled slate · 22 cm · charcoal grey
Serve Temp4 °C · chilled plate + cutlery
Prep AheadYolk cure 48h · brunoise same-day · beef cut à la minute
07

Ingredients — Yield 10 covers

Component Measure Standard / Allergen
Fillet · 35-day aged1 kg (10 × 85 g + trim)Aberdeen Angus · Beef
Cured yolk emulsion80 g (8 g/cover)Sub-recipe · Egg
Shallot · brunoise90 gLong shallot · fine dice
Capers · Pantelleria salt-packed30 gRinsed same-day · Sulphites (brine)
Cornichons · brunoise30 gFrench style · fine dice · Sulphites
Dijon mustard15 gMaille · Mustard
Worcestershire sauce20 dashes totalLea & Perrins · Fish, Soya, Sulphites
Tabasco10 dashes totalOriginal red
Sourdough · house levain10 slices × 2 pointsCharred, brushed with beef fat · Wheat, Gluten
Sea salt · MaldonTo seasonAt pass, never in the bowl
08

Presentation & Service

PlateChilled slate · 22 cm · charcoal
LayoutQuenelle centre · toast points 4 o'clock · yolk swipe 8 o'clock
GarnishMicro parsley · single leaf · never chopped herbs
CutleryButter knife + fork · chilled 20 min
NapkinIvory linen · folded once
Service NoteGuest instructed: spread on toast, one bite. Never eaten from spoon alone.
09

Wine Pairing

RecommendedBeaujolais Cru · Morgon · Marcel Lapierre
StyleGamay · light-bodied · low tannin · chilled
Also PairsChampagne blanc de noirs · dry sherry (Manzanilla)
By the GlassLoire Cabernet Franc · Bourgueil
Non-AlcoholicVerjus + cranberry + smoked salt · house tonic
Never WithHeavy oaked reds · Cabernet Sauvignon · anything > 14% ABV

The wine must lift the beef, never overpower it. Chilled Gamay is the classic answer. Serve at 12 °C, never room temperature.

10

Substitutions & Property Adaptations

Original Property / Reason Substitution
35-day aged filletWarsaw · MOQ constraints21-day aged fillet · same cut, same portion, note age on ticket
Burford Brown eggManila · availabilityFree-range local egg · verified pasture
Wildfarmed sourdoughAny · pre-programmeAny traditional levain · minimum 24h ferment
Pantelleria caperAny · sourcing gapAny salt-packed caper · never brined in jar
11

Training Notes & Common Failures

  • ×Minced, not diced. Grinder, food processor, or dull knife = failure. Sharpen daily, cut by hand only. If you cannot see the cube, start again.
  • ×Warm beef. Meat off the ice for > 6 min = colour turns, texture goes. Marble board on ice bath, always.
  • ×Over-seasoned in the bowl. Salt draws water, kills texture. Season AT THE PASS. Never in the dressing bowl.
  • ×Sad quenelle. Two spoons, worked between three passes. Should sit tall, not spread. If it slumps, the beef is too warm.
  • ×Cold beef, warm toast. Toast points delivered still warm from the salamander = tartare weeps in 30 s. Toast to room temperature only.
12

Cost & Margin

Line Cost Notes
Fillet · 85 g portion · £48/kg£0.86Ginger Pig · 35-day aged
Yolk emulsion · 8 g£0.09Burford Brown · sub-recipe cost
Brunoise mix · 15 g£0.14Shallot / caper / cornichon
Dijon + Worcestershire + Tabasco£0.05Amortised
Sourdough · 2 points£0.24House-baked, per-slice cost
Herb + salt + service£0.06Amortised
Total cost/cover £1.44 8.0% of sell
Sell price £18.00 Signature starter · highest-margin course
Gross margin 92.0% Category-leading for hand-cut tartare
13

Allergens & Compliance

Beef Egg Wheat / Gluten Mustard Fish (Worcestershire) Soya (Worcestershire) Sulphites

Raw beef advisory printed on menu · Traceability logged farm-to-plate · Pregnant guest warning issued verbally

14

Version History

Version Date Author Change
v1.02026-08-19Edward Phillips BlancoInitial signed release · Volume I MMXXVI
GSLX-BTT-001 · Recipe Codex™ · Volume I · MMXXVI
Signed · Edward Phillips Blanco · N° 001
GSLX CODEX · N° 001