Place eggs in a medium bowl. Whisk lightly to just break yolks.
Place chips in a medium bowl. Lightly crush. Add half the eggs. Stand for 2 minutes.
Add remaining eggs. Heat oil in a medium non-stick frying pan. Add egg mixture.
Cook on one side for about 5 minutes or until just set.
Invert tortilla onto a plate then slide it back into pan. Cook for a further 4 minutes.
Serve with chopped parsley.