Combine the Swiss cheese, 1/2 cup of the mayonnaise, the mustard, cream cheese, 1/4 teaspoon salt and a few grinds of black pepper in a food processor. Blend until very smooth. Remove and set aside. Rinse out the food processor bowl.
Combine the coleslaw, sauerkraut, vinegar, 1/4 teaspoon salt and a few grinds of black pepper in a food processor. Pulse until coarsely chopped. Remove and set aside. Rinse out the food processor bowl.
Add the corned beef to the food processor and pulse until coarsely chopped.
Whisk together the remaining 1/2 cup mayonnaise, the chili sauce, ketchup and a few grinds of black pepper for the sauce.
Layer the dip in your favorite 3-quart serving dish. Spread out the cheese mixture on the bottom. Then top with, in even layers, the corned beef, rye bread, sauce and sauerkraut mixture.
Wrap and refrigerate until chilled, at least 1 hour or overnight. Serve with rye bread toasts, rye crackers or potato chips.
Mothers Secret Recipes of Comfort Food & Culinary Inspiration from an Organic and Allergen-free Approach