This document provides a recipe for Spanish omelette in 3 steps. It lists the ingredients as 4 eggs, 1/2 kg of potatoes, olive oil, and salt. Step 1 instructs the reader to wash, slice, and fry the potatoes in oil with salt until golden brown. Step 2 says to beat the eggs with salt and mix with the fried potatoes. Step 3 provides directions to heat oil in a pan and add the egg-potato mixture, tilting the pan to ensure it doesn't stick while cooking until set on both sides.