This Cinnamon Tea Cake comes from Elinor Lipman. A best-selling novelist who serves up social comedies with affection and wit, Elinor has a talent for observing and carving up our culture — which of course includes food. Most notably, she can remember every meal she ever ate. While critics have praised her pitch-perfect ear for dialogue, I would also like to extol her taste buds. Everything she cooks and bakes and every restaurant dish she recommends is a winner. So I am overjoyed she has let me feature her mother’s recipe for Cinnamon Tea Cake. Like a Drake’s crumb cake, it’s delightfully light and luscious with cinnamon. And it performs the brilliant trick of…