Celebrate summer with Roasted Ratatouille Salad! Loaded with the best seasonal produce—such as summer squash, zucchini, and tomatoes—this vegetable salad makes a terrific light lunch or dinner. This easy recipe is vegan and gluten-free. What is Ratatouille? Years ago, when I first heard the word “ratatouille” I thought it was some sort of weird meat dish….