Food & Cooking Recipes Lunch Recipes Martha's Favorite Egg Salad Sandwich 3.5 (161) 1 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 September 1, 2020 Print Rate It Share Share Tweet Pin Email Yield: 6 Martha's favorite egg salad sandwich is a healthy—and delicious— lunch choice. Ingredients 10 hard-boiled egg whites 2 hard-boiled egg yolks 2 to 3 tablespoons light mayonnaise 1 teaspoon Dijon mustard 1 tablespoon freshly squeezed lemon juice ½ avocado, mashed, plus ½ avocado roughly chopped Coarse salt and freshly ground pepper Boston lettuce, arugula, and tomato slices (optional) 12 white sandwich bread, such as Pullman, sliced about ½-inch thick, toasted Directions Using a pastry blender or fork, mash together egg whites and yolks in a large bowl; carefully fold in avocado. Stir in mayonnaise, mustard, and lemon juice; season with salt and pepper. Place 6 slices of bread on a work surface. Evenly divide egg salad among bread slices. Add lettuce greens or tomato, if desired. Top with remaining 6 slices bread. Serve. not applicable Rate it Print