1. Cut ham, tomatoes, and pepper into small cubes. Grate the cheese on a coarse grater. Chop the greens finely.
2. Prepare the omelet: in a bowl, beat the eggs, add milk, flour, salt, beat well with a whisk.
3. Pour sunflower oil into a hot frying pan and pour the prepared omelet.
4. Sprinkle the omelet with chopped parsley and fry over low heat under the lid.