Beef Short Ribs - £9.50 per Kg Beef Short ribs are great for either slow cooking or marinading for the barbecue or smoker. Traditionally called the Jacobs ladder, there are 8-10 ribs which weigh 3 - 4 kg in total depending on the size of the carcass. If you'd like a particular number of rib boes-ie. 1 per person, please write this in the comments box at the end of the ordering process., but as a guide 2kg is 3 actual ribs.