INGREDIENTS
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3 1 1/4-pound live lobsters
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1/4 cup mayonnaise
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1/4 cup chopped celery
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1/2 teaspoon finely grated lemon zest
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1/2 tablespoon fresh lemon juice
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1 tablespoon sliced chives, plus more for serving
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Kosher salt, freshly ground pepper
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5 tablespoons unsalted butter
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4 New England–style split-top hot dog buns
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2 green lettuce leaves, halved lengthwise