Ingredients

  • 2 tablespoons extra virgin olive oil
  • 2 medium red onions, thinly sliced
  • 6 large eggs
  • 1/3 cup freshly grated parmigiano-reggiano cheese
  • 1 teaspoon whole fresh thyme leave
  • salt
  • fresh ground black pepper

Method

  • Heat the oil in a 10-inch nonstick skillet with an ovenproof handle; swirl the oil to coat the bottom of the pan evenly.
  • Add in the onions and saute over medium heat until lightly browned, about 10 minutes.
  • Preheat the broiler; use a fork to lightly beat the eggs, cheese, thyme, and salt/pepper to taste.
  • Add the egg mixture to the pan and stir gently with a fork to incorporate the onions.
  • Cook over med-low heat, occasionally sliding a spatula around the edges of the pan to loosen the frittata as it sets.
  • Continue cooking until the frittata is set, except for the top, about 8 minutes.
  • Place the pan directly under the broiler and cook just until the top is golden brown and set, 1-2 minutes; do not let the frittata burn.
  • Invert the frittata onto a large platter; cut it into wedges and serve.
  • The frittata may also be cooled to room temperature and then cut and served.