Umami Roast Beef Sandwich

October  4, 2022
0 Ratings
  • Makes 4 sandwiches + extra tapenade
Author Notes

This sandwich earns it's name from the umami rich ingredients used to make it. Substitute any deli meat you prefer or even make this into a burger. Since the tapenade and miso mayo are salty try the sandwich before adding additional salt. —

What You'll Need
  • Umami Tsunami Sandwich
  • 8 tomato slices (1/2 inch thick)
  • 2 tablespoons mayo
  • 2 teaspoons white miso paste
  • 4 red onion slices (1/4 inch thick with rings kept intact)
  • 8 tablespoons shiitake mushroom tapenade (see recipe below)
  • 1 ounce baby arugula leaves
  • 8 slices bread (toasting optional)
  • 4 slices sharp cheddar
  • 1 pound sliced roast beef
  • Shiitake Mushroom Tapenade
  • 4 ounces shiitake mushrooms chopped
  • 1 teaspoon garlic minced
  • 4 ounces kalamata olives pitted
  • 1 tablespoon capers
  • 2 teaspoons lemon juice
  • 1 teaspoon anchovy paste
  • 1 tablespoon fresh parsley chopped
  • 1 teaspoon dijon mustard
  • 1/8 cup olive oil + 2 teaspoons
  1. Umami Tsunami Sandwich
  2. Preheat oven to 425 degrees. Roast the tomatoes on a parchment-lined baking sheet brushed with oil for 30 minutes, or until tomatoes slightly brown.
  3. Combine the mayo and miso paste. Mix well.
  4. Heat a large nonstick skillet on high heat. Add the onion slices once the pan is very hot and cook about 1-2 minutes per side till caramelized but still retain a crunchy texture.
  5. Assemble the sandwiches. Spread 2 tbsp tapenade on one slice of bread. Add 1/4 pound roast beef, one slice cheese, two slices tomato and 4 onion rings. Spread 1 tsp miso mayo on the other additional slice of bread. Assemble remaining sandwiches.
  1. Shiitake Mushroom Tapenade
  2. Add 2 teaspoons of olive oil to a 12 inch skillet. Over high heat saute the mushrooms till browned. Add the garlic and cook an additional 30 seconds until fragrant.
  3. Combine all the ingredients in a food processor and pulse until a coarse texture.
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