Food & Cooking Recipes Drink Recipes Cocktail Recipes Red-Grapefruit Margaritas Be the first to rate & review! By Martha Stewart Test Kitchen Martha Stewart Test Kitchen The recipes developed by our test kitchen team have undergone a rigorous process of development and testing, ensuring that every element is optimal, from ingredient amounts to method and cooking time. This process includes triple-testing recipes to ensure they meet our high standards. The many stellar cooks and food editors who have been part of our team include Sarah Carey, Lucinda Scala Quinn, Jennifer Aaronson, Shira Bocar, Anna Kovel, Greg Lofts, Riley Wofford, Lauren Tyrell, and Lindsay Leopold. Editorial Guidelines Updated on January 17, 2019 Print Rate It Share Share Tweet Pin Email Yield: 4 A bracing salted rim may be a tradition, but it can overwhelm the nuances of a good tequila. On the other hand, a touch of superfine sugar can be a nice complement to citrus-centered margaritas. Ingredients 2 red grapefruits 8 ounces (1 cup) silver tequila 1 tablespoon superfine sugar, plus more for coating glass rims 3 ounces (¼ cup plus 2 tablespoons) triple sec 3 cups small ice cubes Directions Remove zest from 1 grapefruit. Place zest in a glass; add tequila. Cover, and let stand 1 hour. Strain. Rub zest over half of each glass rim; dip rims in sugar. Cut peel and pith from grapefruits; cut flesh into segments. Purée grapefruits, tequila, sugar, triple sec, and ice in a blender until smooth. Pour into glasses. Rate it Print