Recipes Ingredients Meat & Poultry Pork Recipes Slow-Cooker Sweet-and-Sour Country Ribs 3.5 (339) 9 Reviews 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 May 16, 2017 Print Rate It Share Share Tweet Pin Email Prep Time: 15 mins Total Time: 6 hrs 15 mins Servings: 8 Start these ribs in the morning, and they'll be perfectly tender by dinnertime. Ingredients ½ cup ketchup ½ cup packed light-brown sugar ½ cup cider vinegar 1 tablespoon mustard powder ½ teaspoon cayenne pepper Coarse salt and ground pepper 4 pounds country-style pork ribs, separated into single ribs Barbecue sauce, for serving (optional) Directions In slow cooker, whisk together ketchup, sugar, vinegar, mustard powder, cayenne, 1 teaspoon salt, and 1/2 teaspoon pepper. Add ribs to slow cooker, and toss with sauce. Arrange ribs, bone side up, in a single row. Cover; cook on high, 6 hours (or on low, 10 hours). Serve ribs drizzled with pan juices and, if desired, barbecue sauce. Cook's Notes Oven method: Preheat oven to 350 degrees. In step 1, use a 5-quart Dutch oven or ovenproof pot with a tight-fitting lid; add 1 cup water. Cover; bake until ribs are tender, 2 1/2 to 3 hours. Proceed with step 3. Rate it Print