The present invention relates to a dough making bag for receiving ingredients for a dough, comprising an opening and a closed bottom arranged substantially opposite the opening, and a sheet-shaped wall which together with the closed bottom define a bag volume for receiving the ingredients, the sheet-shaped wall is made of a polymeric material wherein the closed bottom has a larger extension than the opening when seen in a side view. Furthermore, the present invention relates to a preparation system for preparing a dough. Finally, the present invention relates to a preparation method for preparing a dough.
