INGREDIENTS
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1/3 cup all-purpose flour
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3 1/2 cups low-fat milk, divided
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6 Tbs. pesto*, or more to taste
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2 Tbs. grated Parmesan cheese, plus additional for garnish, optional
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1 tsp. salt
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1/4 tsp. ground black pepper
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2 tsp. olive oil
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1 1/4 lb. asparagus spears, tips cut off and reserved, spears trimmed and chopped into 1/4-inch pieces
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1 clove garlic, minced (about 1 tsp.)
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16 no-cook lasagna noodles (9 oz.)
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2 cups shredded Fontina or part-skim mozzarella cheese (8 oz.), divided