Ingredients

  • 6 large eggs
  • 3 tablespoons freshly grated Pecorino Romano or Parmesan cheese, divided
  • 1/4 teaspoon coarse kosher salt
  • 1/4 teaspoon freshly ground black pepper
  • 3 tablespoons extra-virgin olive oil
  • 1 medium onion, thinly sliced
  • 1 bunch Swiss chard (about 10 ounces), stems and center ribs cut away, leaves coarsely chopped
  • 2 ounces thinly sliced Italian Genoa salami, cut into 1/2-inch pieces (about 2/3 cup)
  • 1 garlic clove, minced

Method

  • Preheat broiler.
  • Whisk all the eggs, 1 1/2 tablespoons cheese, 1/4 teaspoon salt, and 1/4 teaspoon pepper in large bowl.
  • Heat olive oil in medium nonstick broilerproof skillet over medium heat.
  • Add onion and saute until tender but not brown, about 6 minutes.
  • Add Swiss chard in 3 batches; toss until each begins to wilt before adding next.
  • Sprinkle with salt and pepper.
  • Saute until any liquid in skillet evaporates.
  • Increase heat to mediumhigh; add salami and garlic to skillet and stir 1 minute.
  • Add eggs to skillet; stir to distribute evenly.
  • Reduce heat to medium-low, cover, and cook until eggs are almost set but still moist in center, about 4 minutes.
  • Sprinkle remaining 1 1/2 tablespoons cheese over top.
  • Transfer frittata to broiler and cook just until set in center and beginning to brown, about 1 minute.
  • Using flexible spatula, loosen frittata around edges.
  • Slide frittata out onto platter.
  • Serve warm or at room temperature.