Walnut-Apricot Tart

Walnuts and apricots figure in Chinese feasts from antiquity. In addition to their culinary attributes, ground walnuts were favored as a remedy for baldness, and apricots were thought to cure disorders of the heart. Bald heads and faint hearts aside, most everyone will enjoy this moist and nubbly fruit and nut dessert, the creation of Berkeley chef Diane Dexter. It is a deep tart filled with a light mixture of crushed nuts on a thin base of orange and lemon-zested puréed apricots. It is a b