Put on your cozy pants and get comfortable with a giant bowl of this cheesy, eggplant-studded pasta. Don’t be shy about adding plenty of reserved pasta cooking water to the sauce; it's the magical ingredient that creates a silky sauce and keeps the pasta moist while baking. A little grated ricotta salata to finish adds a slight tangy bite that rounds everything out — but, truthfully, more Parmesan or any firm, salted cheese will do.
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