Lemon Squares

These are very old-fashioned lemon squares, made with real lemon curd and shortbread. Citrus trees were popular in eighteenth-century Charleston gardens; on some of the plantations, the owners built orangeries to protect the trees from occasional winter freezes. The Meyer lemon, a large sweet variety, is a favored variety today for courtyard gardens. Though shunned by commercial growers because it carries a disease that damages other citrus, Meyer lemons are large, sweet, and juicy. Use the