Ingredients

• 1 garlic clove, smashed

• Kosher salt

• 2 tablespoons mayonnaise

• 2 tablespoons red wine vinegar

• 1/2 teaspoon dried oregano

• 1/4 cup plus 2 tablespoons extra-virgin olive oil

• Freshly ground black pepper

• 1 large romaine heart, chopped

• 1 small head of radicchio, halved, cored and coarsely chopped

• 1/4 head of iceberg lettuce, coarsely chopped

• 1 tender celery rib, thinly sliced

• 1/2 small red onion, thinly sliced

• 1/2 cup cherry tomatoes

• 1/4 cup pitted green olives, preferably Sicilian

• 8 peperoncini

• 2 ounces Parmigiano-Reggiano cheese, shaved (1 cup)