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Grilled Cheese and Mushroom Sandwich

Give your favorite grilled cheese sandwich a boost with the addition of earthy portobello mushrooms. This savory recipe takes this portobello mushroom sandwich into gourmet territory. —Josh Rink, Taste of Home Food Stylist
  • Total Time
    Prep/Total Time: 25 min.
  • Makes
    4 servings

Ingredients

  • 2 tablespoons olive oil
  • 8 tablespoons butter, softened, divided
  • 4 large portobello mushroom caps, gills removed and sliced
  • 1/8 teaspoon salt
  • 1/8 teaspoon pepper
  • 3 tablespoons mayonnaise
  • 3 tablespoons finely shredded Manchego or Parmesan cheese
  • 1/8 teaspoon onion powder
  • 8 slices sourdough bread
  • 4 ounces Brie cheese, rind removed and sliced
  • 1/2 cup shredded sharp white cheddar cheese
  • 1/2 cup shredded Monterey Jack cheese
  • 1/2 cup shredded Gruyere cheese
  • 2 teaspoons minced fresh thyme

Directions

  • In a large cast-iron or other heavy skillet, heat olive oil and 2 tablespoons butter over medium-high heat. Fry mushrooms in a single layer until golden and beginning to crisp, turning halfway through, 10-12 minutes. Sprinkle with salt and pepper. Remove mushrooms; wipe out skillet.
  • Spread 3 tablespoons butter on 1 side of each slice of bread. Place bread, butter side down, in same skillet over medium-low heat; toast until golden brown, 2-3 minutes; remove. In a small bowl, combine cheddar, Monterey Jack and Gruyere. In another bowl, mix together remaining 3 tablespoons butter, mayonnaise, Manchego cheese and onion powder.
  • To assemble sandwiches, top toasted side of 4 bread slices with mushrooms; sprinkle with fresh thyme; add sliced Brie. Sprinkle cheddar cheese mixture evenly over Brie. Top with remaining bread slices, toasted side facing inwards. Spread the butter-mayonnaise mixture on the outsides of each sandwich. Place in same skillet and cook until golden brown and cheese is melted, 5-6 minutes on each side. Serve immediately.

Test Kitchen Tips
  • In Europe, Parmigiano-Reggiano and Parmesan are considered the same cheese. But in the U.S., Parmesan is a generic term that may not come from Italy’s Parmigiano-Reggiano region. Using the authentic Italian cheese (in a lesser amount than the original’s ½ cup) ensures a cheesy richness in the makeover with less fat and calories.
  • Sharp cheddar cheese has been aged longer than regular cheddar. As cheese ages, its flavor becomes more pronounced. Using aged cheese in a recipe can add complexity and rich flavor, even to humble favorites like mac ’n’ cheese.
  • Here are some of our cheesiest recipes.
  • Nutrition Facts
    1 sandwich: 797 calories, 62g fat (31g saturated fat), 138mg cholesterol, 1143mg sodium, 35g carbohydrate (4g sugars, 3g fiber), 26g protein.

    Reviews

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    Average Rating:
    • mythyagain
      Aug 12, 2019

      Yum! Versatile as you can use any cheese that you have available and it will still be delicious.

    • bonito15
      Sep 27, 2018

      I love mushrooms and when i saw this it was on the top of my make now pile - love this recipe and so easy and so delicious