Milk, the oil and the salt is heated on a hot plate to boiling, stirring. Removed from heat and add the flour. Stir vigorously to obtain a homogeneous mixture. Allow to cool slightly, then add an egg. Mix well and if one takes the dough is added the other. Stirring, finally add the feta cheese. Prepared sticky dough. Heat the oven to 200C. Using a spoon for ice cream dipped in water, scoop the dough and form balls. Arranged on a tray covered with baking paper and put in the oven for 25-30 minutes until browned.