6 cups 1/2-inch-diced sweet potatoes, skin on (4 to 6 large sweet potatoes) |
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1 tablespoon extra-virgin olive oil |
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Kosher salt and freshly ground black pepper |
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2 cups loosely packed baby arugula |
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4 scallions, white and light green parts only, thinly sliced |
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2 tablespoons fresh lemon juice |
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2 tablespoons grated Parmesan |
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