To prepare the dough, split the cauliflower into corsages and then grate with the grater or process so that it is powdered, then microwave for 8 minutes.
After this time, you must drain to remove the water it contains. Add the salt, the egg, half of the mozzarella cheese and stir well to form a thick paste.
Preheat the oven to 180 ° C
On a baking sheet, add the mixture and give it a rounded and flat shape.
Bake for 20 minutes to cook the dough.
Take it out and add the chosen ingredients, tomato paste, the rest of mozzarella cheese, ham, chicken, paprika, and sprinkle the oregano.
Bake for seven more minutes to finish cooking and gratin.
Serve hot to enjoy the melted cheese.