For the Mexican Filling

1. Heat the oil in a large frying pan over a medium heat.
2. Add the onion and jalapeno and gently fry for 5 minutes or until softened.
3. Add the black beans, sweetcorn, tomato and Adobo Sauce to the onion and heat the mixture through. 
4. Add the avocado and lightly mix in, remove immediately from the heat and set aside.

For the Omelette

1. Heat the omelette pan to a medium heat and melt the butter. 
2. Crack 3 eggs in a bowl and whisk until smooth and season well. 
3. Pour the egg mixture into the heated pan and cook for a couple of minutes until the egg is set. 
4. Sprinkle half of the cheese over the surface of the omelette, then spoon half of the filling onto one half of the omelette. 
5. Fold the omelette over and plate. 
6. Repeat the process with the second omelette. 
7. Garnish to your heart’s content with extra cheese [optional], sour cream, cilantro and salsa. Enjoy!