Tortilla de Patatas | Universal Yums

Ingredients

• 1 lb (450 g) potatoes, peeled and thinly sliced
• 1 medium onion, finely chopped (optional, but recommended for flavor)
• 5 large eggs
• 1/4 cup olive oil (for frying)
• 1 tsp salt (or to taste)
• 1/2 tsp black pepper