Reuben with butter

1/3 cup mayonnaise (Best Foods or Hellmann's or Vegenaise) 1/4 cup catsup 1/2 teaspoon dill relish 1/2 teaspoon sweet pickle relish 1/4-1/2 teaspoon dried[...]

1 -3 lb corned beef brisket (cooked) 2 cups sauerkraut 2 cups cabbage 4 -6 cups beef stock 1 onion 2 garlic cloves 2 tablespoons Dijon mustard 2 tablespoons[...]