Made this tonight, SO GOOD. Didn't have everything on hand, so I used 2 zucchini (no yellow squash), a little onion instead of shallots, and whole milk instead of cream. Zucchini and Yellow Squash Gratin - Martha Stewart Recipes
Zucchini - Yellow Squash - Recipes _ I have a good selection of zucchini/yellow squash recipes on my site since each summer I am trying to keep up with my one zucchini plant. However, I have listed my absolute- must-make-favorite recipes below for you.