INGREDIENTS
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4 slices white bread
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2 tbsp butter
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4 slices good quality ham
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1/2 cup grated gruyere cheese
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1 tbsp butter
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2 eggs
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Béchamel Sauce:
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1 tbsp butter
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2 tbsp plain flour
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1 1/2 cups whole milk
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1/4 cup grated parmesan
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a pinch of freshly grated nutmeg
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1 teaspoon dijon mustard
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salt & freshly ground black pepper to taste