We ended off our meal with beancurd from Pure Soya Bean, which was a stall near the middle of the second level run by two fairly-young hawkers! We paid $2.50 for a bowl of beancurd with gingko nuts and we love their beancurd as it was served warm and the texture was fairly soft. Most importantly, you can taste the soybean in their beancurd as the sugar syrup used wasn't too overpowering. :)
While the serving size was really generous, we felt that the gingko nuts were a little hard and quite a few of them were rather bitter. We might get the beancurd with another topping again in future!