Food & Cooking Recipes Appetizers Smoked Salmon and Caramelized Onion Stuffed Celery Stalks 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 January 14, 2019 Print Share Share Tweet Pin Email Servings: 12 These crunchy hors d'oeuvres will be the hit of any holiday party. Ingredients 1 tablespoon olive oil 1 medium red onion, peeled, thinly sliced 2 teaspoons sugar 8 ounces whipped cream cheese 5 tablespoons white horseradish, squeezed of liquid 5 ounces smoked salmon 1 tablespoon finely snipped fresh dill, plus small tips for garnish 9 ribs celery, strings removed, cut into 2-inch lengths Directions In a saute pan, heat olive oil over medium heat. Add onion slices; reduce heat to low. Cook, stirring occasionally, 15 minutes. Add sugar. Cook, stirring occasionally, until onions are caramelized, about 30 minutes. Remove from heat; set aside. In a medium bowl combine cream cheese and horseradish; divide mixture between 2 bowls. Coarsely chop one-quarter of the salmon, add to half the cheese mixture; add dill, and mix. Cut remaining salmon into thin slivers; set aside. Fill half the celery with mixture. Garnish each with a sliver of salmon and a dill tip or two. Fill remaining celery with remaining cheese mixture, garnish with reserved caramelized onions, and serve. Cook's Notes To make one kind of stuffed celery, double the salmon or onion mixture, and eliminate the other. Print