Summer Squash Gratin Recipe - 101 Cookbooks
http://www.101cookbooks.com/archives/summer-squash-gratin-recipe.html

More squash.

Use up all that summer squash & zucchini from your CSA box! Sub a vegan cheese (creamier the better; make your own from tofu), and you're good to go -- but don't omit the oregano pesto. Yum!

oregano - i will add onions and possibly tomatoes

sub 2 potatoes for 2 turnips, add sauteed kale