The deal offers a carvery meal for two with a drink each for £14.95 (28% less than the normal price of £20.78).
A group of four can eat a carvery meal with a drink each for £29.90 (reduced from the normal price of £41.56).
Or, for larger groups, six diners can have a carvery meal with a drink each for just £44.85, reduced from £62.34.
The drinks on offer include ‘bottomless’ soft drinks; a 175ml glass of Vinewood white or red wine; 175ml glass of Barefoot rosé wine; a pint of Carling lager or a pint of Stowford cider.
In the details of the deal on the voucher website, it states “all meat is sourced from UK grass-fed or free-range farms and prepared in the expertise of master chefs".
The meats available in the carvery deal are roast gammon with a pomegranate glaze; British roast turkey; roast British or Irish beef with a beef dripping glaze; and roast pork with an apple and sage glaze.
Vegetarian and vegan diners are also catered for with options including Portobello Mushroom Bullseye Tart; Grilled Aubergine Stack; Broccoli and Brie Parcel; and a Root Vegetable Roast.
The deal also includes eight kinds of unlimited vegetables such as roast potatoes, or wholegrain mustard mash.
Alongside this, diners can have stuffing, choose from a range of gravies and sauces, all with a freshly made Yorkshire pudding.
The voucher is valid until 16 March 2018 and available at more than 100 locations across the country.
This wasn’t the first time the M&B brand has launched a deal on a voucher website as last year (May), diners could get a meal and a drink for two for under £15 with Groupon.