This is what I do, sometimes I'll make 4 portions out of 1 dinner when it's something like curry and store 3 in the freezer.
I currently have 8 meals ready to go that I cooked myself, I can go a whole week without cooking, it's so much easier cooking for 1.
Adguard-DNS cloud is similar to NextDNS.
AdGuard Home is an self hosted open source adblocker that can run in a Pi, I run that. More features than PiHole and I've had for less issues with it.