Inside Skirt vs Petite Tender — What's the Difference?
Quick Answer
Inside Skirt (inside skirt steak) and Petite Tender (petite tender (teres major)) are not the same cut: Inside Skirt is plate primal (Transversus abdominis muscle — the inner diaphragm muscle); Petite Tender is chuck primal (Teres major muscle, tucked alongside the shoulder blade).
Canonical entities: Inside Skirt · Petite Tender
Side-by-side
| inside skirt | petite tender | |
|---|---|---|
| Primal | plate | chuck |
| Muscle / location | Transversus abdominis muscle — the inner diaphragm muscle | Teres major muscle, tucked alongside the shoulder blade |
| Character | The 'other' skirt steak. Thinner, wider, and slightly tougher than the outside skirt (which is the standard 'skirt steak'). Most restaurant fajitas use inside skirt because the outside skirt is exported or sold at premium. Requires high heat, fast cooking, and slicing against the grain. | A small, narrow muscle from the shoulder that resembles a miniature tenderloin in shape and tenderness. Only about 250-350g per side, making it one of the lowest-yield cuts on the animal. Extremely tender but relatively unknown outside professional kitchens. |
Key differences
- Different primals: plate vs chuck.
- Texture and slicing: compare fibrous, grain-heavy cuts vs more tender steak-style muscles based on each cut’s description.
- Retail naming diverges by country—always map through a canonical cut when translating menus or labels.
When to use each
Inside Skirt
Pick Inside Skirt when you want its specific marbling/texture profile: The 'other' skirt steak. Thinner, wider, and slightly tougher than the outside skirt (which is the standard 'skirt steak'). Most restaurant fajitas use inside skirt because the outside skirt is exported or sold at premium. Requires high heat, fast cooking, and slicing against the grain.
Petite Tender
Pick Petite Tender when its primal/muscle traits fit the dish: A small, narrow muscle from the shoulder that resembles a miniature tenderloin in shape and tenderness. Only about 250-350g per side, making it one of the lowest-yield cuts on the animal. Extremely tender but relatively unknown outside professional kitchens.
Inside Skirt and Petite Tender are different canonical muscles/primals: Inside Skirt is plate (Transversus abdominis muscle — the inner diaphragm muscle); Petite Tender is chuck (Teres major muscle, tucked alongside the shoulder blade).
Choose based on tenderness, marbling, grain direction, and how you plan to cook (sear vs braise vs slice thin).
Read the full guides: inside skirt (what-is) · petite tender (what-is) · inside skirt hub · petite tender hub