Costa and Greggs are the furthest down the line significant chains to have things missing from stores because of production network gives that are clearing across the food retail area.
Greggs said it was seeing "impermanent interferences" in the stock of certain fixings - however it demanded there is no issue with its chicken heat items, in opposition to reports.
However the bread kitchen chain would not affirm the subtleties of the influenced items, it recognized that a few shops have "every so often" been shy of specific stock.
Costa, in the mean time, said it was additionally encountering some stock deficiencies, saying 'sorry' for any burden caused while things remain briefly inaccessible.
It comes a day after cheap food chain McDonald's ran out of milkshakes and packaged beverages in the entirety of its UK eateries because of "store network issues".
The deficiency at McDonald's was accounted for after Nando's had to close 45 eateries as it needed more chicken.
KFC had additionally cautioned that a few things would be absent from their menus because of supply issues.
Retail managers have now cautioned of the possibility of deficiencies on store racks at Christmas because of the HGV driver lack, which has been brought about by a blend of post-Brexit EU migration rules, Coronavirus limitations and self-disconnection direction.
Tesco executive John Allan said the lack caused dropped orders for items, for example, bread at around 100 Iceland stores, and conveyances of soda pops had dropped half by volume.
Talking on BBC Radio 4's Reality At One, Mr Allan said: "right now we're running exceptionally hard to keep on top of the current interest and there isn't the ability to construct stocks that we'd prefer to see. So in that sense I think there might be a few deficiencies at Christmas.
"However, again I wouldn't have any desire to over-perform the degree to which that would be the situation, I believe it's exceptionally simple to make a dramatization out of an unobtrusive emergency."