Kirkland Signature USDA Prime Beef Loin Tenderloin Steak, also known as filet mignon, represents the top 5-6% of all beef in America. This premium cut comes from the tenderloin muscle located under the ribs and next to the spine, a muscle that receives minimal use during the animal's life, resulting in exceptional tenderness.

The USDA Prime grade ensures exquisite marbling throughout the meat, providing a rich butter-tender flavor with a melt-in-your-mouth texture. Despite being one of the leanest cuts, the Prime designation guarantees superior marbling compared to Choice or Select grades, delivering a smooth, buttery flavor that enhances the naturally subtle taste of tenderloin.

This cut is renowned as the most fork-tender of all beef cuts. The tenderloin is aged to enhance both flavor and tenderness, developing deeper flavor complexity while maintaining its signature soft texture. Each tenderloin yields only 10-12 steaks when cut to proper thickness, making this a highly prized cut.

Ideal for grilling, broiling, or pan-searing, the tenderloin steak cooks quickly due to its lean composition and benefits from high-heat searing to develop a flavorful crust while maintaining a tender, juicy interior. Sold per pound at Costco, allowing customers to select their preferred portion size.