INGREDIENTS
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1/2 cup Marcona almonds, coarsely chopped
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1-1/2 Tbs. fresh lemon juice; more as needed
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Kosher salt and freshly ground black pepper
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2 Tbs. extra-virgin olive oil
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6 large ribs celery, trimmed and sliced inch thick (about 4 cups), plus 1/2 cup leaves from the inner stalks
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1 4- to 6-oz. chunk Parmigiano-Reggiano