Start by slicing the tortillas into thin strips and set aside.
Into a bowl, add the eggs, the salt and the milk, mix it all together very well until combined.
Now, grease a skillet with the unsalted butter, spreading it all over the bottom of the skillet, add half of the chopped tortillas and half of the egg mixture.
Into a bowl, add the rest of the tortillas and the rest of the egg mixture, mix very well and set aside.
Grate the mozzarella cheese and cut the ham into triangle-shaped slices.
Sprinkle some of the cheese over the mixture in the skillet and make a layer of ham over the mozzarella, also add parsley to taste.
Make another layer of mozzarella and set some aside, finally, add the tortilla we’ve set aside in the bowl with the egg mixture. Spread it very well all over it.
Cover it with the tomato slices and spread the rest of the grated cheese over the tomatoes.
Cover the skillet and let it all cook for 10 to 15 minutes. Cooking time may vary depending on the power of your stove.