Man, that’s some good eatin’. In my impoverished undergraduate days I substituted Bacon Bits for the Spam. It’s what I had in the cupboard.
Got addicted in college and it’s still one of my favorites. (comfort food)
Kraft used sell that powdered cheese in a canister. Now I just cook 1/2 the noodles and all the cheese.
Kraft also used to sell a great Chicken and Noodles in a box. But it had to be cooked in 2 pans, too much “work” these days.