Ingredients

For Russian dressing: 2 tablespoons  reduced-fat mayonnaise 2 teaspoons  ketchup 2 teaspoons  chopped capers 1 teaspoon  chopped pickle or relish For Sandwiches: 3 teaspoons  extra-virgin olive oil, divided 1   small red onion, thinly sliced 1 cup  sliced mushrooms 5 cups  baby spinach Freshly ground pepper  to taste 4 slices  rye bread 1/2 cup  shredded reduced-fat Swiss cheese, such as Jarlsberg Lite or Alpine Lace (2 ounces) 1/2 cup  sauerkraut

Description

Vegetarian Reubens With Russian Dressing, Recipe

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