This delicious cheesy, healthy summer squash casserole recipe is so simple to make and is the perfect summer side dish for using all of those yellow squash or zucchini! (vegetarian, nut-free)
This recipe can be doubled for a 9x13 inch dish.
To make ahead, simply make the filling and spread into the baking dish. Cover and refrigerate until ready to bake, up to 1 day. When you're ready, sprinkle with panko and parmesan and bake.
For gluten-free, use your favorite gluten-free bread crumbs and 1-to-1 gluten-free all purpose flour.
Keywords: healthy cheesy squash casserole, healthy summer squash casserole