01 -
Preheat oven to 375°F (190°C) and grease a small baking dish with nonstick spray or butter.
02 -
In a large bowl, thoroughly mix together cream cheese, 1 cup shredded Swiss cheese, mozzarella cheese, sour cream, and Thousand Island dressing until smooth and fully blended.
03 -
Fold in the cooked corned beef, drained sauerkraut, garlic powder, and black pepper until everything is evenly combined.
04 -
Transfer the cheese and meat mixture to the prepared baking dish and spread evenly.
05 -
Sprinkle an additional 1/4 cup of shredded Swiss cheese over the surface. Bake for 20–25 minutes, or until the mixture is hot and bubbly and the top is golden brown.
06 -
Remove from oven, let cool for several minutes, and garnish with chopped fresh parsley. Present warm with rye bread, crackers, or pretzels for dipping.