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1
Combine 3/4 cup hot water and the bouillon cube in a small glass baking dish; stir to dissolve.
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2
Whisk in 2 tablespoons olive oil, the soy sauce, Worcestershire sauce, the juice of 1 lemon, the red pepper flakes, 1 teaspoon salt and 1/2 teaspoon pepper.
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3
Tear 4 sprigs thyme and 3 sprigs rosemary into pieces; add to the marinade along with the scallions.
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4
Let cool.
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5
Using a fork, pierce the meat all over at 2-inch intervals.
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6
Add to the marinade, making sure it is completely submerged.
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7
(If necessary, weigh down the meat with a plate.)
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8
Cover and refrigerate 3 to 8 hours.
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9
Remove the meat from the refrigerator about 1 hour before grilling (leave it in the marinade).
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10
Put the mushrooms and bell peppers in a large bowl.
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11
Tear the remaining 2 sprigs thyme and 1 sprig rosemary into pieces and add to the bowl along with the garlic, the remaining 2 tablespoons olive oil and the juice of 1/2 lemon.
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12
Season with salt and pepper and toss.
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13
Preheat a grill to medium, then prepare for indirect heat: For gas, turn off the burners on one side.
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14
For charcoal, push the coals to one side.
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15
Remove the meat from the marinade and pat dry, reserving the marinade.
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16
Place the meat on the hotter side of the grill (direct heat) and cook, turning often, until charred, 15 to 20 minutes; scatter the herbs from the marinade on the meat as it cooks (it's OK if the herbs fall through the grates; they will flavor the smoke).
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17
Move the meat to the cooler side of the grill (indirect heat); cover and cook, turning and basting a few times with the reserved marinade, until a thermometer inserted into the thickest part registers 125 degrees F for medium rare, about 20 more minutes.
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18
Transfer to a cutting board and let rest at least 10 minutes.
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19
Meanwhile, add the mushrooms and peppers to the grill over direct heat; cook, turning a few times, brushing with the juice of the remaining 1/2 lemon and seasoning with salt, until charred and tender, 10 to 15 minutes.
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20
Arrange the scallions from the marinade on the grill and cook 2 to 3 minutes per side.
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21
Slice the steak against the grain and serve with the vegetables.
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22
Per serving: Calories 405; Fat 17 g (Saturated 5 g); Cholesterol 129 mg; Sodium 348 mg; Carbohydrate 13 g; Fiber 2 g; Protein 50 g
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23
Photograph by Yunhee Kim