4 beef tenderloin steaks (each 6 oz. and about 1 1/2 in. thick)
4 large (5-in.-wide) portabella mushroom caps
1 large red bell pepper, stemmed, seeded, and quartered
4 thin slices sweet onion
2 cups torn watercress
How to Make It
Heat grill to medium (350° to 450°). In a medium bowl, whisk together oil, vinegar, soy, and pepper; transfer 1/4 cup to a small bowl. Whisk tapenade and parsley into medium bowl of dressing; set aside. Brush steaks, mushrooms, and bell pepper with the 1/4 cup dressing.
Grill steaks, mushrooms, pepper, and onion with lid down, turning once, until grill marks appear on pepper and onion, mushrooms are tender, and steak is done the way you like, 8 to 15 minutes total for vegetables and medium-rare meat.
Arrange mushrooms, cupped side up, on a platter. Top each with watercress, then a steak, pepper piece, and onion slice. Drizzle with reserved tapenade dressing.
I expected this to hit it out of the ball park. I even splurged on prime steaks. It was very good but not what I expected. I think it needed more flavor in the marinade ingredients or maybe more fresh herbs in the watercress.
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