Celia's Reuben Sandwich

Ingredients

• 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 onion flakes, to taste
• 1/8 teaspoon garlic powder
• 1/4 teaspoon lemon juice
• 1 teaspoon Celia's Traditional balsamic vinegar
• black pepper, to taste
• 2 slices dark rye bread (caraway or not, it's up to you, but we prefer it without)
• 3 teaspoons butter
• 3 -4 ounces thinly sliced deli pastrami
• 1/3 cup sauerkraut, drained well
• 1 -2 ounce sliced provolone cheese or 1 -2 ounce swiss cheese or 1 -2 ounce monterey jack cheese