Ynyshir Restaurant and Rooms, in Ceredigion, is Wales' only two-star Michelin restaurant.
Chef Tom Kerridge says it is "very hard" to open a pub now without enough finance for the next couple of years.
Tom Kerridge grew up on a Gloucester council estate and says food is important for education.
The celebrity chef says staff sickness and guest cancellations will have a catastrophic effect.
The footballer and food poverty campaigner is launching a new affordable meals project.
The footballer joins celebrities and campaigners to call for action in a letter to the prime minister.
Celebrity Chef Tom Kerridge calls for "robust" measures to help disadvantaged children.
The Prince Albert in Stroud had a fine reputation as a thriving live music venue before Covid-19.
