Recipe courtesy of Jet Tila

Spanish-Style Potato and Onion Frittata

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  • Level: Easy
  • Total: 30 min
  • Active: 30 min
  • Yield: 6 to 8 servings
Spain has one of my favorite omelets made from potatoes, cheese and onions called a "tortilla." Not to be confused with a Mexican tortilla, a Spanish tortilla is like the perfect mash-up of a baked potato and scrambled eggs. The Spanish serve it like an appetizer, but I love making it into an omelet. The key is to season every layer with salt and pepper at each stage. Small yellow potatoes are a bit more work to peel and dice, but they're sweeter than larger russet potatoes.



  1. Preheat the oven in broiler mode and place a rack 10 to 12 inches (25 to 30.5 centimeters) below the heating element.
  2. Beat the eggs in a bowl and add 1/2 teaspoon of salt, 1/4 teaspoon of pepper and 1/4 cup (25 grams) of the Parmesan cheese.
  3. Place the peeled and diced potatoes in a microwave-safe bowl, then toss with 2 tablespoons (30 milliliters) of the olive oil and season with 1/4 teaspoon salt. Cover tightly with plastic wrap and microwave on high for 6 to 9 minutes total, or until fork tender.
  4. Meanwhile, heat the remaining 2 tablespoons (30 milliliters) of olive oil and the butter over medium heat in a heavy 10-inch (25-centimeter) omelet pan. Add the onion and a generous pinch of salt. Cook, stirring, until tender but not browned, about 5 minutes. Add the potatoes to the pan and toss gently so that the potatoes don't break apart. Season the mixture with 1/2 teaspoon salt and 1/4 teaspoon pepper.
  5. Pour the reserved egg mixture into the pan over the potatoes and onions. Shake the pan gently while you lift the edges of the frittata; repeat until the eggs start to set, 2 to 3 minutes. Turn the stove to low and sprinkle the mozzarella and remaining 1/4 cup (25 grams) of Parmesan over the top of the frittata.
  6. Once the frittata is mostly set, place the pan under the broiler for a minute or two to lightly brown the cheese. Remove from the heat and let the tortilla rest for at least 5 minutes. Cut into wedges and serve with some sour cream, if desired.