Sheet-Pan Spinach Lasagna
"Smart shortcuts like store-bought fresh noodles, frozen spinach, and a sheet pan deliver big lasagna flavor in a fraction of the time...."
INGREDIENTS
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1 Tbsp. extra-virgin olive oil
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1 lb. hot Italian sausage, casings removed
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1 medium onion, finely chopped
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6 garlic cloves, 2 finely chopped, 4 whole
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1 1-lb. bag frozen spinach
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1 lemon
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3 cups whole milk
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1 tsp. Diamond Crystal or ½ tsp. Morton kosher salt
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½ tsp. freshly ground pepper
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8 oz. low-moisture mozzarella, coarsely grated (about 2 cups)
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8 oz. Parmesan, finely grated (about 4 cups)
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1 cup heavy cream
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1 lb. fresh lasagna sheets
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