In a medium sized mixing bowl, mix margarine, eggs with milk, cheese and baking powder until well blended. Add self-rising flour a little at a time, mixing well.
Dust a baking tray and your hands with flour. Divide the dough into 12 portions and gently pat into mounds with floured hands, placing on dusted tray 3/4 inches apart. Lightly dust the top of the scones with flour.
Place baking tray in center of pre-heated oven and bake for 12 minutes or until golden brown.