Filet Mignon MB4+ in Khobar | Prime Black Angus Tenderloin, Melt-in-Your-Mouth Tender A prime-grade Black Angus filet mignon, MB4+ graded — a lean cut from the tenderloin, prized for its melt-in-your-mouth tenderness, grilled to perfection. A must-try steak dish in Khobar, Saudi Arabia.