01 - 
                Spray the slow cooker liner with non-stick cooking spray to prevent sticking.
              
              
              
                02 - 
                Completely drain the diced potatoes using a strainer.
              
              
              
                03 - 
                In a mixing bowl, combine melted butter, drained potatoes, black pepper, onion powder, and garlic powder; toss to coat evenly.
              
              
              
                04 - 
                Add sliced kielbasa, chopped onions, heavy whipping cream, chicken broth, and shredded cheddar cheese to the potato mixture; stir thoroughly to combine.
              
              
              
                05 - 
                Add the cheddar cheese cream soup and mix until all components are fully blended.
              
              
              
                06 - 
                Cover and cook on high for 3–4 hours or on low for 5–6 hours until the potatoes are tender.
              
              
              
                07 - 
                If a thicker consistency is desired, 1 hour before completion stir in a slurry made from 1 teaspoon cornstarch and 2 teaspoons water.
              
              
              
                08 - 
                Serve warm, optionally garnishing with preferred toppings.