Shaker Salad with just-right salty-sweet elements to make it irresistible I love Giada’s Shaker Salad. Limp greens and soggy veggies are often the fate of a made-ahead salad destined for the lunchbox. In Giada De Laurentiis’ newest cookbook, “Happy Cooking,” she provides a shaker jar strategy. Chill. Shake. Enjoy. Start with a wide-mouth quart-size jar. Giada’s Shaker SaladYield: 1 serving1 tablespoon store-bought…