INGREDIENTS
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3 tablespoons extra-virgin olive oil
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8 ounces thinly sliced pancetta (Italian bacon), chopped
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2 cups thinly sliced celery hearts
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1 2/3 cups chopped onion
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1 pound Treviso radicchio or red endive (4 medium heads), quartered lengthwise, cored, then cut on diagonal into thin strips (about 6 cups), divided
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3 teaspoons chopped fresh thyme, divided
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1 garlic clove, finely chopped
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9 lasagna noodles (each 7 x 3 inches)
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1/4 cup (1/2 stick) unsalted butter
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2 1/2 tablespoons all purpose flour
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2 cups whole milk
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Pinch of ground nutmeg
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Pinch of ground white pepper
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12 ounces Taleggio cheese,* rind removed, cheese cut into 1/2-inch cubes
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1/2 cup finely grated Parmesan cheese, divided
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2 tablespoons coarse dry breadcrumbs (preferably from crustless Italian bread)
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Olive oil