"Bacon and cheese and scallions — need we say more?..."
INGREDIENTS
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2 medium heads cauliflower (about 3 pounds total), cut into bite-size florets (about 12 cups)
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1/2 teaspoon kosher salt
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1/2 teaspoon freshly ground black pepper, divided
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8 strips bacon (about 8 ounces)
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2 tablespoons all-purpose flour
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1 1/2 cups whole milk
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1 1/2 cups grated sharp white or yellow cheddar cheese (about 6 ounces)
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3 medium scallions, thinly sliced, divided
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3/4 cup grated Parmesan cheese (about 1 1/2 ounces)