Onion, Ham, and Cheese Frittata

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  • Level: Easy
  • Total: 25 min
  • Prep: 15 min
  • Cook: 10 min
  • Yield: 4 to 6 servings
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Ingredients

2 tablespoons unsalted butter

1 large onion, sliced

3/4 teaspoon kosher salt

Freshly ground black pepper

8 large eggs

1/4 cup milk

1 cup diced ham

1 tablespoon chopped fresh herbs, like parsley, thyme, or dill

1 cup grated Swiss or cheddar cheese

Directions

  1. Position a rack about 8 inches from the broiler and preheat.
  2. Melt the butter in a medium non-stick skillet over medium heat. Add the onions and season with 1/2 teaspoon salt and some pepper. Cook, stirring occasionally, until the onions get very soft, about 15 minutes. Meanwhile, whisk the eggs and milk in a medium bowl with the remaining 1/4 teaspoon salt and some pepper until smooth. Transfer onions to a bowl to cool. Reserve the skillet.
  3. Stir the onions, ham, herbs and cheese into the eggs.
  4. Heat the non-stick skillet. Pour the frittata mixture into the pan and stir to make sure the fillings are evenly arranged. Cook, stirring gently a couple times in the first minutes of cooking. Then let the mixture cook undisturbed until the bottom sets, about 5 minutes. Transfer the skillet to the oven and broil until the eggs are just set and brown, about 5 minutes. Take care not to overcook or the eggs will be dry. Remove from the oven, cover, and set aside for 5 minutes.
  5. Invert the frittata onto a large plate or platter. Cut into wedges and serve warm or at room temperature.