1. Cut the squash in half lengthwise and remove the seeds. Microwave the squash until soft, about 10 minutes. Scrape the flesh out with a spoon and discard the skin.
2. Puree the squash in a food processor with the white beans, olive oil, Parmesan, black pepper and water. Transfer mixture to a bowl, drizzle lightly with olive oil and sprinkle with the sea salt. Serve with the whole-wheat pita chips.