"A great summer salad requires three things: fresh greens, a tart, seasonal dressing (made here with grated tomato), and a light hand to toss the ingredients together so the lettuces stay perky...."
INGREDIENTS
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1 pound hanger, skirt, or flank steak
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1 teaspoon kosher salt plus more
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Freshly ground black pepper
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1 medium tomato (about 6 ounces), halved
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1 tablespoon minced shallot
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1 tablespoon red wine vinegar
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1/4 cup plus 5 teaspoons olive oil, divided
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4 spring onions or 6 scallions, bulbs halved, dark-green parts discarded
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5 1/2-inch-thick slices ciabatta
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8 cups mixed summer lettuces (such as mizuna, baby mustard greens, and tatsoi)
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3/4 cup fresh basil leaves, torn into 1/2-inch-strips