Ingredients

  • 1 1/2 cups pitted green olives, such as Spanish olives (6 ounces)
  • 3 garlic cloves, minced
  • 1 teaspoon finely grated lemon zest
  • 1 cup extra-virgin olive oil
  • Salt and freshly ground pepper
  • 8 hero rolls, split
  • 2 tablespoons red wine vinegar
  • 1/4 teaspoon dried oregano
  • 4 medium zucchini (about 1/2 pound each), sliced 1/4 inch thick
  • 3/4 pound fresh mozzarella, thinly sliced
  • 2 large tomatoes, cored and thinly sliced
  • 32 small basil leaves

Method

  • In a food processor, pulse the olives with the garlic and lemon zest until the olives are finely chopped.
  • Add 1/4 cup of the olive oil and season with salt and pepper.
  • Spread the olivada on the cut sides of the rolls.
  • In a small bowl, whisk the vinegar with the oregano and 1/2 cup of the olive oil.
  • Season the dressing with salt and pepper.
  • Preheat a grill pan.
  • In a large bowl, toss the zucchini with the remaining 1/4 cup of olive oil and season with salt and pepper.
  • Grill the zucchini slices over high heat for about 5 minutes, turning once, until tender and lightly charred.
  • Mound the zucchini onto the rolls and drizzle with a little of the dressing.
  • Top with the mozzarella, tomatoes and basil and drizzle with more of the dressing.
  • Close the subs and serve right away.