Prepare Ingredients: Slice the sausage and potatoes, and chop the onion.
Mix Sauce: In a bowl, combine the cream of mushroom soup, milk, garlic powder, paprika, salt, and pepper. Stir well until smooth.
Layer in Crockpot: Grease the crockpot with butter or spray. Add a layer of sliced potatoes, then sausage, onions, and cheese. Pour some of the soup mixture over the top. Repeat the layers until all ingredients are used.
Top u0026 Cook: Add small butter cubes on top. Cover and cook on low for 6 hours or high for 3–4 hours, until potatoes are tender and the cheese is bubbly.
Final Touch: Sprinkle extra cheddar cheese on top 15 minutes before serving and let it melt.