Time: 6 minutes, yield 4 cups
1. Break the limes into several pieces (you can use a mortar and pestle or put them in a sandwich bag and smack with a hammer.) Combine the water and lime pieces in a small saucepan, bring to a boil over high heat, then reduce heat to medium-low and simmer for 4 minutes.
2. Remove from heat and strain through cheesecloth or a coffee filter. Discard the solids. Add the sugar to the tea and stir until dissolved. Drink hot or cool to room temperature and then refrigerate.
Andrea Reusing is the creator of the restaurant Lantern in Chapel Hill, N.C., and author of the book Cooking in the Moment: A Year of Seasonal Recipes. In this installment of The Key 3, she shares with Lynne Rossetto Kasper the techniques behind three of her favorite recipes: Turnip Soup, Overnight Braised Short Ribs and Tomato Salad.