In a food processor, combine the soup, cottage cheese and sour cream; cover and process until smooth.
In a large bowl, combine the potatoes, garlic powder and pepper; stir in Canadian bacon and soup mixture. Transfer to a 13-in. x 9-in. baking dish coated with cooking spray; sprinkle with cheddar cheese. Bake, uncovered, at 350° for 50-55 minutes or until bubbly. Let stand for 15 minutes before serving. Yield: 12 servings.