Recipes Ingredients Meat & Poultry Beef Recipes Steak Sandwich with Red Onion Jam 3.7 (6) By Martha Stewart Editors Martha Stewart Editors Facebook Instagram Twitter Website An article attributed to "Martha Stewart Editors" indicates when several writers and editors have contributed to an article over the years. These collaborations allow us to provide you with the most accurate, up-to-date, and comprehensive information available.The Martha Stewart team aims to teach and inspire readers daily with tested-until-perfected recipes, creative DIY projects, and elevated home and entertaining ideas. They are experts in their fields who research, create, and test the best ways to help readers design the life they want. The joy is in the doing. Editorial Guidelines Updated on May 16, 2017 Print Share Share Tweet Pin Email Servings: 1 For this world-class sandwich, use the leftovers of a thick, juicy, Pan-Seared Steak. Ingredients 1 soft onion roll, split horizontally, toasted if desired 1 tablespoon Steak Butter, or mayonnaise 2 ounces thinly sliced cooked Pan-Seared Steak, room temperature 2 tablespoons Red Onion Jam Arugula or lettuce (optional) Directions Spread roll with steak butter; layer with steak, red onion jam, and, if using, arugula. Print