Note: For large groups over 14 people, experts from YouTube recommend buying two uniform-sized roasts (e.g., two 5-bone roasts) rather than one massive one to ensure they cook evenly.
Portion planning depends heavily on whether you choose a bone-in or boneless cut:
Plan for 0.5 to 0.75 pounds (8–12 oz) per person . Since there is no waste, you need less total weight to feed the same number of guests.
(or standing rib roast) is a significant investment for a holiday or special dinner. The key to getting the right size is balancing the weight of the meat with the number of bones to ensure even cooking and generous portions. Guest Count Bone-In Roast Size (Recommended) Boneless Roast Size 4–6 Adults 3 Bones (~6–8 lbs) 6–8 Adults 4 Bones (~9–11 lbs) 8–10 Adults 5 Bones (~11–13 lbs) 10–14 Adults 7 Bones (~15–20 lbs) 10–12 lbs