INGREDIENTS
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2 leeks (white and pale-green parts only), halved lengthwise and sliced
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1/2 tablespoon + 1/4 cup extra virgin olive oil
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6 long slices sourdough bread, sliced in half for a total of 12 pieces
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1/4 cup dijon mustard
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6 slices honey ham
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6 slices provolone cheese
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5 eggs
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5 tablespoons heavy cream
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1/3 cup freshly grated Parmigiano Reggiano or Parmesan cheese
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1 1/2 tablespoons freshly chopped flat leaf parsley
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a pinch of nutmeg