With the revival of classic cookbooks propelled by the releases of The Silver Spoon and Julie and Julia — the blog-turned-book in which Julie Powell writes on cooking every recipe in Julia Child’s Mastering the Art of French Cooking — it’s worth noting the death of chef and cookbook writer Edna Lewis, 89. Lewis didn’t just compile recipes. Having authored The Taste of Country Cooking, she’s largely credited with explaining and showcasing Southern cooking to…