whisk together the flour, baking powder, sugar and yeast in a bowl. make a small well in the center.
mix together water and oil, then pour slowly into the flour, whisking it in and working in the flour slowly.
place the dough into a lightly oiled boil and cover with cling wrap. let rise about 45 minutes in a warm place, until the dough is approximately doubled in size.
cut the dough into 8 pieces for medium buns or 12 pieces for small buns.
form each piece into a ball, then roll out into a circle about 1/4" thick, or slightly thinner.
brush each piece of rolled out dough with oil on one side - 