In a frying pan heat 2 tbsp of the oil. When medium-hot, add the tortillas one at a time and lightly fry until toasty smelling and a little crisp around the edges but still flexible. Place on kitchen paper and keep warm in the oven.
Reheat the refry on a low heat and warm the Ranchero Sauce.
In the same pan used for frying the tortillas, fry the eggs using more oil as needed.
Get two plates ready. Place the tortillas on each plate - put a fried egg on each tortilla, then spoon the sauce around the eggs and add a dollop of refry at the side. Season with salt and pepper.
Mexican chorizo is also great with this meal. You can use pork, beef or a meat substitute such as seitan.