On the tooth of time traders site, they have a written cooking/wash water procedure. Boil water, add food to water, cover and remove from heat.
Apparently, they changed their minds, or are just schizophrenic , and now have a video out showing you how to cook a different way.
Here is what it shows :
1. Boil a big 8q pot of water with about 6qts of water and sterilize dishes and spoons for 30 sec each.
(Hmm. done individually that probably 15 minutes of fuel at a rolling boil, might want to do several at a time, at least all spoons at once-put on shower ring.)
2. Pour water into another big pot with the food, and make a soupy mess, but not too soupy, can always add more water later. Cover and let sit.
3. Use remaining 2.5 qts hot water for wash water.
With a crew of 12 + ranger = 13, you will need the big 8qt pot for cooking single pot. The largest meals make 3 cups cooked, x 7 meals (with ranger) = 21 cups = 5.25 qts. A little close for comfort in a 6 qt if you are going to stir it.
However, you only need a 4 qt pot to boil a single batch of food water (3.5 qts for 7 meal bags) if you measure it, and heat wash water afterwards . Whether they make you take a 4, 6, or another 8 qt is anyones guess.
I would say, take the big pot. And no matter what they tell you, take the smaller pot that you want. Leave any other in crew locker and pretend it was a mistake.
Do the same for oops bag rope if they try to make you bring a 1/4" rope for 15 lb oops bag. Its your trek. Period. As long as you are not being unsafe ,or violating LNT, (and philmont is far from LNT) do it your way.