Preheat oven to 350 degrees F.
Sprinkle chicken with salt and pepper; place in a lightly greased 9x13 inch baking dish.
Layer chicken evenly with sauerkraut, corned beef, and Swiss cheese. Pour Jimmy's 1000 dressing over top.
Combine breadcrumbs, butter, and parsley; sprinkle over casserole.
Bake, uncovered, 30 minutes or until golden and bubbly.
Serving Size 4
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.