01 -
Peel the potatoes and cut them into long wedges then slice into small triangular pieces. If prepping in advance, keep them submerged in water.
02 -
Spread sliced onion and cut potatoes on a lined baking tray. Drizzle with olive oil, cover with foil, and bake at 375°F for 30 minutes until tender.
03 -
In a large mixing bowl, whisk the eggs thoroughly. Add baked potatoes, onions, and sea salt, then mix gently with a spatula.
04 -
Heat oil in a medium frying pan over medium heat. Pour the mixture in, spread evenly, and cook until the bottom begins to brown.
05 -
Use a large plate to invert the tortilla, then slide it back into the pan to cook the other side for a few more minutes until set.