Why We Finish Retail Beef With Non-GMO Grain Finishing matters because it affects the final eating experience. Marbling, the small flecks of fat within the muscle, plays an important role in beef flavor, tenderness, and juiciness. University extension resources note that grain-fed beef typically has more marbling, while grass-fed beef is generally leaner with less overall fat and marbling.

Ribeye (Bone-In) Marbling 101: Why It Matters for Flavor, Tenderness, and Juiciness If you’ve ever wondered why one steak melts in your mouth while another puts up a fight, the answer is marbling —those fine white streaks of intramuscular fat that create tenderness, juiciness, and rich flavor. In the U.S., marbling is central to how beef is graded (Prime, Choice, Select), with higher marbling almost always meaning a better eating experience. Internationally, Japanese Wagyu is