Grilled Beef Tenderloin Sandwiches
My daughter shared these hearty sandwiches with me, and I think they're a savory melt-in-your-mouth treat. The sweet-sour onions and mushrooms are perfect over the tender beef and lip-smacking garlic mayonnaise. —Ruth Lee of Troy, Ontario
Total TimePrep: 15 min. + marinating Cook: 70 min.