01 - 
                Pat beef dry with paper towels. Generously season all sides with salt and black pepper. Heat 1 tablespoon sesame oil in a large skillet over medium-high heat and sear beef, turning until all surfaces are deeply browned.
              
              
              
                02 - 
                In a bowl, combine soy sauce, gochujang, sesame oil, minced garlic, grated ginger, honey, grated Korean pear, and rice vinegar. Stir until the mixture is smooth and cohesive.
              
              
              
                03 - 
                Transfer the seared beef to a slow cooker, Dutch oven, or heavy-bottomed pot. Pour the prepared sauce over the beef, ensuring it is thoroughly coated. Arrange the onions, carrots, potatoes, and Korean radish (if using) around the beef.
              
              
              
                04 - 
                For slow cooker: Cover and cook on low for 8 hours or high for 4–5 hours. For stovetop: Cover and simmer over low heat for 3–4 hours, checking periodically and adding water if necessary to prevent drying.
              
              
              
                05 - 
                Transfer beef to a serving platter and slice or shred as desired. Arrange the cooked vegetables around the meat. Spoon sauce generously over everything. Garnish with sliced green onions and sesame seeds before serving.