Preheat the oven at 180° C.
Mix the flour with the salt and milk.
Add the eggs.
Knead into a dough.
Split the dough in 3 parts. Roll each part into a circle.
Put the cheese in the edges and start folding towards the interior.
Put some tomato paste and rub it all around the base. Add the toppings you want.
Bake for 20 min, or until the egg is cooked.