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Sandwiches

Grilled Portobello Mushroom Sandwiches with Arugula and White Bean Spread

Grilled Portobello Mushroom Sandwiches with Arugula and White Bean Spread

[Photograph: Lauren Rothman]

About the author: Lauren Rothman is a former Serious Eats intern, a freelance catering chef, and an obsessive chronicler of all things culinary. Try the original recipes on her blog, For the Love of Food, and follow her on Twitter @Lochina186.

Every recipe we publish is tested, tasted, and Serious Eats-approved by our staff. Never miss a recipe again by following @SeriousRecipes on Twitter!

Grilled Portobello Mushroom Sandwiches with Arugula and White Bean Spread

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About This Recipe

Yield:Makes 4 sandwiches
Active time:25 minutes
Total time:25 minutes
Special equipment:grill, pastry brush, food processor
This recipe appears in: Vegetarian: Grilled Portobello Mushroom Sandwiches with Arugula and White Bean Spread

Ingredients

  • 1 (15-ounce) can of white beans (cannellini beans), drained and rinsed
  • 5 tablespoons lemon juice (from about 3 lemons)
  • 1 medium clove garlic, smashed and peeled
  • 2 teaspoons chopped fresh rosemary leaves (optional)
  • 2 tablespoons water
  • 7 tablespoons extra virgin olive oil, plus more for grilling
  • Kosher salt and freshly ground black pepper
  • 4 large portobello mushroom caps, stems and gills removed, wiped clean with a damp paper towel
  • 4 good-quality sandwich rolls, preferably focaccia, sliced
  • About 2 cups baby arugula leaves

Procedures

  1. 1

    In the bowl of a food processor, combine the white beans, 1/4 cup lemon juice, garlic, rosemary, and water. Blend. With machine running, drizzle in 1/4 cup olive oil. Process until completely smooth, about one minute. Season to taste with salt and pepper. Transfer spread to a bowl and refrigerate.

  2. 2

    Light one half chimney full of charcoal. When all the charcoal is lit and covered with gray ash, pour out and spread the coals evenly over half of coal grate. Set cooking grate in place, cover grill and allow to preheat for 5 minutes. Alternatively, preheat one side of a gas grill to medium high, covered, for at least 10 minutes. Clean and oil the grilling grate.

  3. 3

    Using a pastry brush, brush both sides of mushroom caps with a generous amount of olive oil, a about 1 tablespoon per mushroom. Season both sides of mushrooms generously with salt and pepper. When grill is hot, add mushrooms to hot side and cook, covered, until mushroom is well-browned on one side, about 4 minutes. Flip mushrooms and cook for an additional 4 minutes. Transfer mushrooms to a plate. Add rolls to grill and toast lightly on both sides, about 2 minutes per side. Remove.

  4. 4

    Whisk together remaining tablespoon lemon juice and 2 tablespoons olive oil and season to taste with salt an pepper. Set dressing aside.

  5. 5

    Lay out sandwich roll bottoms and spread each with a small amount of white bean mixture. Add 1 mushroom to each sandwich and top with a generous amount of white bean spread. Dress arugula with lemon juice and olive oil (you may not need all the dressing). Divide arugula between sandwiches and season with salt and pepper. Add sandwich roll tops and carefully slice sandwiches in half with a sharp serrated knife. Serve immediately.

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