Ingredients

  • 1/4 cup balsamic vinegar
  • 1/4 cup plus 2 tablespoons olive oil
  • 1 garlic clove, minced
  • Kosher salt and freshly ground pepper
  • 3 large Portobello mushrooms, stems removed
  • 8 ripe plum tomatoes, halved lengthwise and seeded
  • 1 large French baguette, halved lengthwise
  • 1/4 cup ricotta cheese, preferably fresh
  • 16 arugula leaves

Method

  • In a small bowl, whisk 3 tablespoons of the balsamic vinegar with 3 tablespoons of the olive oil, the garlic and a pinch each of salt and pepper.
  • Pour the vinaigrette over the mushroom caps and let marinate at room temperature for 1 hour.
  • Light a grill or heat a lightly oiled grill pan or cast-iron skillet.
  • Drizzle the cut sides of the tomatoes with 1 tablespoon of the olive oil and season with a pinch each of salt and pepper.
  • Grill the tomatoes over high heat, skin sides down, for about 3 minutes, or until softened and lightly charred.
  • Transfer to a plate.
  • Grill the mushrooms, turning once, for about 5 minutes per side, or until tender and charred.
  • Transfer to paper towels to drain.
  • Slice each mushroom cap into 4 to 5 pieces.
  • Brush the cut sides of the baguette with 1 tablespoon of the olive oil and grill or toast until lightly browned.
  • In a small bowl, combine the ricotta with a large pinch each of salt and pepper.
  • Spread the ricotta on the bottom half of the grilled baguette and layer the tomatoes, arugula and Portobellos on top.
  • Drizzle with the remaining 1 tablespoon olive oil and 1 tablespoon balsamic vinegar and cover with the top half of the baguette.
  • Cut into 8 pieces and serve.