1. Heat a non-stick skillet over medium heat.
2. Add olive oil, bell peppers and onion, cooking until softened.
3. Add garlic and chorizo, cooking and stirring for another 2 minutes.
4. Add sun-dried tomatoes, stirring to combine.
5. Pour in eggs and rotate pan to distribute evenly.
6. Lift edges of omelette, tilting pan to allow liquid to run under the cooked eggs.
7. Lower heat to medium-low and cook, without stirring eggs, until set.
8. On one half of omelette, sprinkle cheese, then fold over enclosing cheese.
9. You can garnish this omelette with chopped cilantro and sour cream if you like.
10. Serves two people.