Steps
1. In a bowl, beat the eggs and season with salt and pepper.
2. Heat olive oil in a non-stick pan over medium heat.
3. Add the chopped spinach to the pan and sauté for 1-2 minutes.
4. Pour the beaten eggs over the spinach.
5. Sprinkle feta cheese on top of the eggs.
6. Cook until the eggs are set, then fold the omelette in half.
7. Slide the omelette onto a plate and serve hot.