This puzzle has me STUMPED. The video and recent posts have gotten me only so far with this one.
I've come up with the following relationships in time:
375° +5m = 325°
MC +5m = 350°
375° +Xm = 4p
6p +5m = 400°
Where: p: people, MC: Mac and Cheese, m: minutes, X: Unknown amount
Of all of these, I only know that the Bean Casserole is 375°, but substituting those in give me no help.
What is the next logical step?