If only making dinner for two, then you may have some leftover sauce (depending on how saucy you like to your pasta). Store it in a sealed container in the fridge. You can expect it to thicken up overnight, which you can thin out with a little broth or pasta cooking water when reheating.
Vegan Fettuccine Alfredo with Roasted Cauliflower - https://ellerepublic.de/en/vegan-fettuccine-alfredo/