Bon AppétitCheesy Zucchini and Red Onion FlatbreadJuly 28, 20064.4(81)Cheesy Zucchini and Red Onion FlatbreadMark ThomasArrowJump To RecipeSave StorySave this storyPrintRecipe notesBack to topTriangleSee Related Recipes and Cooking TipsMake the Most of Summer Squash SeasonHow to buy and store it like a pro.