Tortilla de Espana

Ingredients:
5 potatoes, peeled and diced
1 onion (optional)
4-5 eggs
Salt to taste
Oil for frying

Directions:
Fry cubed potatoes in oil, remove and salt. Beat eggs and add to potatoes until all potatoes are moistened. Add additional salt. Add 1 Tbsp. of oil to a skillet and pour in potato mixture. Cook until bottom is done and then flip like an omelet.