THERE are few dinners as much loved as the traditional Sunday roast. Last month we asked readers which Powys pub served up the best and we received plenty of responses. So which pubs serve the best beef? Where can you find the most splendid spuds and which pub do you recommend for its gorgeous gravy? Here are the top five Sunday roast pubs in Powys as suggested by readers and Trip Adviser. Kerry Lamb The Kerry Lamb. Picture by John Firth. Angie Owen said: Always an amazing Sunday carvery with such a good selection of veg and meats. Katy Blackhurst added: Outstanding Sunday carvery. large portions.an amazing selection if veg and excellent value for money.