Grilled Portobello with Basil Mayonnaise Sandwich - The American Barbecue Association™

Grilled Portobello with Basil Mayonnaise Sandwich - The American Barbecue Association™

www.americanbbq.org

Grilled portobello with basil mayonnaise sandwich a light vegetarian sandwich with great flavor that is perfect for summer. I like to serve this with grilled sq

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Ingredients

  • 1/3 cup balsamic vinegar
  • 1/4 cup olive oil
  • 1 tablespoon minced garlic
  • 6 portobello mushroom caps
  • 1/2 cup mayonnaise
  • 1 tablespoon Dijon mustard
  • 1 teaspoon lemon juice
  • 2 tablespoons chopped fresh basil
  • 6 kaiser rolls, split, toasted
  • 1 tablespoon butter
  • 6 leaves lettuce
  • 6 tomato slices

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