INGREDIENTS
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4 cups, day-old, challah or brioche bread, cut into 1-inch cubes.
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2 tablespoons olive oil
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1 tablespoon unsalted butter
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1 medium sweet yellow onion, peeled and diced
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1/2 teaspoon kosher salt
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1/2 teaspoon freshly ground black pepper
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1/4 teaspoon granulated sugar
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1/2 lb. thinly-sliced good deli ham, roughly cut
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6 large eggs
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1 1/2 cups milk or half ‘n half
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1/2 teaspoon dry mustard
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1/4 teaspoon grated nutmeg
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2 teaspoons fresh thyme leaves, minced
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Salt & Pepper, to taste
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1 cup shredded Gruyere or Swiss cheese