Hi Bunny,
Is that a vegetarian stall you are talking about?
My friend told me there's a vegetarian stall at Boon Keng, and they sell vege oyster in the morning and afternoon.
I have tried the vege stall near to AMK Polyclinic (oh well, I am drifting to places further from Punggol!)but the best is still Circuit Rd Blk 79A fat uncle in white who specialise in chai tao kueh, kuey teow mee and his vege oyster! Nicely cut into pcs, sprinkle with coriander leaves, and his sambal is yummy.
I even got his personal contact no so that if I work overtime (and taxi driver do not have to wait for long), I'll take a taxi there to tapao home for dinner. Tho superb oily and fattening (made of mixed flour, egg and mushroom), having it once in awhile will not kill me .. at least for now.