INGREDIENTS
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6 large green onions
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2 teaspoons olive oil
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1/8 teaspoon kosher salt
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8 teaspoons low-fat mayonnaise
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4 sourdough bread slices, toasted
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4 hard-cooked eggs, sliced
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4 tablespoons thinly sliced or diced cooked country ham (optional)
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Freshly grated Parmesan cheese