"Serves 6..."
INGREDIENTS
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1 head cauliflower (about 2 pounds), cored and cut into large bite-size florets
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6 tablespoons olive oil, plus more for the baking dish, divided
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Kosher salt and freshly ground black pepper
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18 ounces (about 8 cups) broccoli florets
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1 1/2 cups (about 5 ounces) penne
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4 ounces (about 3/4 cup) pancetta, coarsely chopped
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1 small yellow onion, finely chopped
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1 tablespoon finely chopped fresh thyme
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1 tablespoon all-purpose flour
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2 cups whole milk
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1 cup heavy cream
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1 1/4 cup (5 ounces) shredded white cheddar cheese
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1 cup very coarse, fresh multigrain breadcrumbs (made in a food processor or blender from 2 slices of bread)