1.In a large bowl add all the ingredients except oil and baking soda. Mix well. Set aside.
2.Prepare the steamer by filling water at the bottom and placing the steam basket.
3.To the bowl with the ingredients mixture add the baking powder and sprinkle water little by little and mix well till it forms a soft dough. Wet the hands with water and take small portions of the mixture and place it in the steam basket.
4.Steam it for around 20 minutes. Remove from the steamer and let it sit till it can be handles. Slice it into large pieces.