Thinly sliced potatoes and zucchini make this vegan and gluten free potato and zucchini gratin. It’s a creamy, cheesy casserole perfect alongside soups, crusty bread, and more! This potato and zucchini bake is one of those cosy, belly warming, nostalgia-filled dishes. Albeit one that’s elevated, made beautiful, and completely vegan! It’s a hearty casserole that …