Savor the essence of summer with this Heirloom Tomato Galette, featuring juicy heirloom tomatoes layered over a creamy mascarpone base, all tucked into a flaky puff pastry crust. Enhanced by a sprinkle of tangy sumac, this rustic tart is not just a dish—it’s an experience that transforms fresh ingredients into an eye-catching centerpiece perfect for any gathering. Enjoy it warm or at room temperature, and watch as it steals the spotlight at your next picnic or dinner party.