Cook the ham, peppers, and spinach with a pinch of salt and pepper until the spinach has wilted. Transfer to a bowl.
3. Step
Whisk the 4 eggs with a pinch of salt & pepper, then pour half of the mixture into the pan, swirling it around to make a full circle. Lower to a medium heat.
4. Step
Cook for about 15 seconds, then spoon half of the veggie mixture on one half of the omelette and sprinkle half of the jack and half the cheddar cheese on the other half.
5. Step
Cook until the cheese is half melted, then fold one half of the omelette over the other.
6. Step
Cook for another 15 seconds, then remove and transfer to a plate.
7. Step
Fan out half of the avocado slices on top of the omelette, then repeat with the other omelette.
