This Tortilla Frittata blends the classic Spanish tortilla with the Italian frittata, featuring thinly sliced potatoes and onions baked with eggs and enhanced by the sweet flavor of roasted red peppers. Topped with fresh watercress, this dish makes a hearty breakfast, lunch, or dinner.


  • 1 onion, thinly sliced
  • 1 kg potatoes, peeled and thinly sliced
  • 5 large free-range eggs
  • ½ x 460g jar of roasted red peppers, drained and sliced
  • 80g watercress
  • Olive oil
  • Salt and freshly ground black pepper


  1. Preheat the Oven:
    • Preheat your oven to 200°C (390°F).
  2. Prepare the Potatoes and Onion:
    • Heat a generous amount of olive oil in a large ovenproof skillet over medium heat.
    • Add the sliced onions and potatoes, season with salt and pepper, and cook, stirring occasionally, until the potatoes are tender but not falling apart, about 15-20 minutes. Be gentle to keep the slices intact.
  3. Add the Eggs and Peppers:
    • In a bowl, beat the eggs with a pinch of salt and pepper. Pour the eggs over the cooked potatoes and onions in the skillet.
    • Arrange the sliced roasted red peppers evenly on top of the egg mixture.
  4. Bake the Frittata:
    • Transfer the skillet to the preheated oven and bake for 10-15 minutes, or until the eggs are set and the top is slightly golden.
  5. Add the Watercress:
    • Once the frittata is cooked, remove it from the oven. Let it cool for a few minutes.
    • Just before serving, scatter the fresh watercress over the top.
  6. Serve:
    • Slice the tortilla frittata and serve warm or at room temperature.

Nutrition Facts (per serving)

  • Calories: 350
  • Fat: 18g
  • Carbohydrates: 35g
  • Protein: 15g

Prep and Cooking Time

  • Prep Time: 20 minutes
  • Cooking Time: 35 minutes


  • Serves: 4-6 people

Dietary Considerations

  • Is Vegetarian? Yes
  • Is Gluten-Free? Yes
  • Is for Breakfast? Yes
  • Is for Lunch? Yes
  • Is for Dinner? Yes

This Tortilla Frittata is a versatile dish that combines the comforting textures of potatoes and onions with the vibrant flavors of roasted red peppers, all brought together by the fluffy embrace of baked eggs. Topped with peppery watercress, it offers a refreshing crunch and a boost of nutrition. Enjoy this meal at any time of day for a satisfying and delicious experience.

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