INGREDIENTS
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1 cup pecan halves
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5 tablespoons butter, divided
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5 cups peeled, cubed pumpkin or butternut squash (about 1 1/2 pounds)
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1 onion, chopped
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2 garlic cloves, minced
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1 1/2 teaspoons salt, divided
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9 (9 3/4- x 2-inch) uncooked lasagna noodles
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1/4 cup all-purpose flour
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2 cups whole milk
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2 tablespoons minced fresh sage
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1/2 teaspoon pepper
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1 1/2 cups (6 ounces) freshly grated Parmesan cheese, divided
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1 1/2 cups (6 ounces) shredded mozzarella cheese