How to Make Grilled Portobello with Basil Mayonnaise Sandwich - A Step-by-Step Guide

Are you looking for a delicious and satisfying vegetarian sandwich option for your next backyard barbecue or weekend lunch? Look no further than this recipe for Grilled Portobello with Basil Mayonnaise Sandwich! This savory and hearty sandwich features marinated and grilled portobello mushrooms, topped with a creamy and flavorful basil mayonnaise, all sandwiched between two slices of your favorite bread. Whether you’re a dedicated vegetarian looking for a new go-to sandwich option, or a meat-...

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Ingredients

  • ⅓ cup balsamic vinegar
  • ¼ cup olive oil
  • 1 tablespoon minced garlic
  • 6 portobello mushroom caps
  • ½ cup mayonnaise
  • 2 tablespoons chopped fresh basil
  • 1 tablespoon Dijon mustard
  • 1 teaspoon lemon juice
  • 6 kaiser rolls, split, toasted
  • 1 tablespoon butter, softened, or as needed
  • 6 leaves lettuce
  • 6 tomato slices

Information

  • Prep Time: 20 mins
  • Cook Time: 10 mins
  • Additional Time: 5 mins
  • Total Time: 35 mins
  • Servings: 6
  • Yield: 6 sandwiches

  • Preheat an outdoor grill for medium heat and lightly oil the grate.
  • Whisk vinegar, oil, and garlic together in a small bowl.
  • Arrange mushrooms on a baking sheet with the gills facing up; brush with about 2/3 of the marinade and let sit for 3 to 5 minutes.
  • Transfer mushrooms to the preheated grill with the gills facing down; grill, basting occasionally with remaining marinade, until tender, about 4 minutes per side.
  • While the mushrooms are cooking, mix mayonnaise, basil, Dijon, and lemon juice together in a small bowl. Butter toasted rolls, then spread with mayonnaise mixture.
  • Remove mushrooms from the grill and place on bottom buns. Top with lettuce, tomatoes, and top buns.
  • Nutrition

    412 cal.

    • Total Fat: 28g
    • Saturated Fat: 5g
    • Cholesterol: 12mg
    • Sodium: 417mg
    • Total Carbohydrate: 36g
    • Dietary Fiber: 4g
    • Total Sugars: 8g
    • Protein: 8g
    • Vitamin C: 19mg
    • Calcium: 73mg
    • Iron: 3mg
    • Potassium: 919mg