What You Need to Know
Involves identifying and following the grain direction through the diaphragm muscle's connective tissue matrix, requiring specific blade angles to preserve the distinct longitudinal fiber structure.
Yields a cut with exceptional beefiness due to high myoglobin content and working muscle composition, prized for both tenderness and chew when cut correctly.
Key Parameters
Temperature
54°C
49°C - 60°C
Time
4 min per side (cast iron)
2 min per side (grill) - 90 min (sous vide)
Equipment
15cm curved boning knifeNon-slip cutting boardMeat claws for handling
Steps
- 1.
Onglet à l'échalote (Parisian bistros): Maximizes surface area for sauce adherence
- 2.
Churrasco skewers (Brazil): Leverages grain structure for bite-through
The Science
Primary Reaction
Proteolytic enzyme activation (calpains/cathepsins during aging)