Parmesan contains the most calcium, ounce-for-ounce, of all the other types of cheeses. Why not incorporate this cheese into a high-protein afternoon snack for after school? I watched Alton Brown make Parmesan cheese crisps in a snap. And snappy, they are. Delicious, crunchy, easy and quick. The kids can even grate their own cheese and make their own. Parchment paper is a must: Preheat oven to 350 degrees. Grate Parmesan cheese into little piles on parchment paper, on top of cookie sheet. Make as many piles as you’d like. Scrape the stray strands of cheese into the piles, so that you won’t have any left-over crumbs.  Be sure every piece…