Spray 6-quart slow cooker with no stick cooking spray.
Mix eggs, cream and Seasoning in large bowl with wire whisk until well blended. Place 1/2 of the potato nuggets in bottom of slow cooker. Pour in egg mixture. Sprinkle top with 1/2 cup of the cheese, then cooked sausage. Layer with remaining potato nuggets and cheese. Cover.
Cook 2 1/2 hours on HIGH or 5 hours on LOW.