Sirloin Cap vs Testicles — What's the Difference?
Quick Answer
Sirloin Cap (sirloin cap) and Testicles (testicles (criadillas/Rocky Mountain Oysters)) are not the same cut: Sirloin Cap is sirloin primal (top sirloin cap (coulotte)); Testicles is offal primal (Removed at castration — sold as a standalone cut).
Canonical entities: Sirloin Cap · Testicles
Side-by-side
| sirloin cap | testicles | |
|---|---|---|
| Primal | sirloin | offal |
| Muscle / location | top sirloin cap (coulotte) | Removed at castration — sold as a standalone cut |
| Character | Triangular cap on the top sirloin; prized as picanha in Brazil. | Bull testicles. Sold and prepared as a standalone cut across multiple cultures. Known as criadillas in Spain and Latin America, Rocky Mountain Oysters in the US west, and Prairie Oysters in Canada. Typically peeled, sliced, and deep-fried or grilled. |
Key differences
- Different primals: sirloin vs offal.
- 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
Sirloin Cap
Pick Sirloin Cap when you want its specific marbling/texture profile: Triangular cap on the top sirloin; prized as picanha in Brazil.
Testicles
Pick Testicles when its primal/muscle traits fit the dish: Bull testicles. Sold and prepared as a standalone cut across multiple cultures. Known as criadillas in Spain and Latin America, Rocky Mountain Oysters in the US west, and Prairie Oysters in Canada. Typically peeled, sliced, and deep-fried or grilled.
Sirloin Cap and Testicles are different canonical muscles/primals: Sirloin Cap is sirloin (top sirloin cap (coulotte)); Testicles is offal (Removed at castration — sold as a standalone cut).
Choose based on tenderness, marbling, grain direction, and how you plan to cook (sear vs braise vs slice thin).
Read the full guides: sirloin cap (what-is) · testicles (what-is) · sirloin cap hub · testicles hub