INGREDIENTS
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4 tablespoons butter
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6 tablespoons flour
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2 cups milk
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Salt
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Ground nutmeg
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1 28 ounce can tomato puree
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12 no-boil lasagna sheets
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1 cup fresh basil leaves
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3 zucchini, thinly sliced lengthwise
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1 18 ounce bag shredded mozzarella cheese
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1 15 ounce container ricotta cheese
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2 cups freshly grated Parmesan cheese
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