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Frittata di Cipolle (Onion Frittata)


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  • Author: Mia
  • Total Time: 35 minutes
  • Yield: 4 servings
  • Diet: Vegetarian

Description

A rustic Italian egg dish featuring sweet caramelized onions, this frittata is simple, flavorful, and perfect for any meal of the day.


Ingredients

  • 6 large eggs
  • 2 large yellow onions, thinly sliced
  • 3 tbsp olive oil
  • 2 tbsp whole milk
  • 1/4 cup grated Parmigiano Reggiano
  • Salt and freshly ground black pepper, to taste
  • Fresh parsley, chopped (optional, for garnish)

Instructions

  1. Heat the olive oil in a non-stick or cast iron skillet over medium-low heat.
  2. Add the sliced onions and cook slowly, stirring occasionally, for about 15–20 minutes until deeply golden and caramelized.
  3. In a large bowl, whisk the eggs with milk, Parmigiano Reggiano, salt, and pepper until well combined.
  4. Once the onions are caramelized, spread them evenly in the skillet.
  5. Pour the egg mixture over the onions and tilt the pan to distribute evenly.
  6. Cook on medium-low heat without stirring for about 8–10 minutes, or until the edges are set and the center is just slightly runny.
  7. To finish, either flip the frittata carefully to cook the top side for another 2–3 minutes, or place the skillet under a preheated broiler for 2–3 minutes until fully set and lightly golden.
  8. Let cool slightly before slicing. Garnish with fresh parsley if desired.

Notes

  • Use a well-seasoned cast iron or non-stick skillet to prevent sticking.
  • Cook onions slowly to achieve a deep caramelized flavor.
  • For a lighter version, substitute milk with a splash of water or omit cheese.
  • Tastes great served warm or at room temperature.
  • Prep Time: 10 minutes
  • Cook Time: 25 minutes
  • Category: Breakfast, Brunch, Main Dish
  • Method: Stovetop, Broiler
  • Cuisine: Italian

Nutrition

  • Serving Size: 1/4 frittata
  • Calories: 220
  • Sugar: 4g
  • Sodium: 220mg
  • Fat: 15g
  • Saturated Fat: 4g
  • Unsaturated Fat: 10g
  • Trans Fat: 0g
  • Carbohydrates: 10g
  • Fiber: 2g
  • Protein: 12g
  • Cholesterol: 220mg