How Much Brisket for 150 People?

A hundred and fifty guests is not a backyard cook wearing a bigger apron — it's a catering job, and the numbers say so before the fire is even lit: 75 pounds cooked plated, 150 pounds raw, ten whole packers. Nobody should run ten packers on residential equipment, so the real decision at this size is between renting a commercial rotisserie smoker for the weekend and hiring a barbecue caterer who owns one. If you rent: sandwiches are no longer a money-saving option, they're the format — 50 pounds cooked instead of 75, and a line that actually finishes. Whatever you decide, decide it three weeks out. Ten packers is a special order at most butchers.

The math, worked out

Every number on this page comes from the same two steps. Here it is longhand for 150 adults eating brisket as the main dish:

1. 1. Cooked brisket needed
   150 adults × 0.5 lb = 75 lbs cooked
2. 2. Raw weight to buy (about 50% is lost to trimming and cooking)
   75 lbs × 2 = 150 lbs raw

Want leftovers? Add 15 percent and buy 172.5 lbs instead — that's about 38 extra meals once the party's over.

150 people, by how you're serving

Serving style moves this number more than anything except sides. Here's all three, with and without a full spread of side dishes:

If some of your 150 are kids

Kids eat about a quarter pound of cooked brisket each, half what a plated adult puts away, and they fill up on sides and rolls faster than you expect. Swapping four adults for four kids in a group of 150 takes roughly 2 lbs off your raw weight. Worth doing properly rather than guessing —put your real split into the calculator.

Cooking for 150: the logistics

At this scale the smoker stops being the bottleneck — the serving line is. Sliced brisket dries in fifteen minutes, so slice in waves, one brisket at a time, with one person on the knife while the rest wait wrapped in coolers. A written hold schedule — which brisket comes out, at what time, in what order — is worth more than any thermometer.

Ordering 10 packers is not a grocery run: call your butcher two to three weeks ahead and ask for cuts from the same lot. Number every brisket, log when it went on and came off, and give someone the single job of watching temperatures.