Take a mixing bowl add the plain flour,salt and mix well.Add the oil crumble the flour. Add the proffed Yeast mix and mix well.Now your dough is sticky add little more oil and knead again for about 5-8 mins. Then wrap the bowl and rest the dough at least for 45 mins or till it become double the size.After 45 mins you can see the dough become double up nicely. Take the dough punches it down and lets the air go, start to knead it in a worksurface just for 2 mins.Now start making the buns, Divide the dough since I have used 2 cups flour this recipe yields only 4 buns so I have divided the dough into 4.Roll the dough like round buns and then arrange it on a greased tin.Wrap the tin, cover and keep for the second rise of buns for 10-15 mins.Once the buns have risen nicely we can start baking.Bake it for 15-20mins at 180-degree celsius.Once the buns started golden at the top remove it from the oven.Allow it to cool down on a wired rack for few minutes and then enjoy your burger.