The invention relates to a dough roller device (2) comprising a first roller pair unit (21) and a second roller pair unit (22) situated below the first roller pair unit (21), wherein the relative position of the first and second roller pair units is adjustable. Preferably the rollers (31,32) of the first roller pair unit (21) define a passage for dough between the rollers, and wherein the relative position is adjustable for placing one of the rollers (33, 34) of the second roller pair unit (22) more or less below the passage. The invention further relates to an assembly for dough treatment, comprising a dough roller device (2) as disclosed above and a supply device for supplying dough, wherein the supply device comprises a conveyor (12) extending to an upper side of the dough roller device (2). The belt onto which the dough is deposited has flour dusted onto it before the dough is laid on the belt.