Healthy Summer Squash Casserole Use up all of your summer squash in this super easy and healthy summer squash casserole made with yellow squash and zucchini squash. Find a Recipes By Ingredients Share : You may like these posts :1-Hour Vegan Pot PiesBest SnickerdoodlesBlack Bean, Corn, and Roasted Red Pepper Lettuce CupsFunfetti Ice Cream Cone Cupcakes