easy peasy
It came from a 70s ad where a kid saw dirty dishes and a mom used this magic detergent to clean them like magic. Now it’s used when you want to say something was effortless and almost silly.
This was easy peasy. I did it with my eyes closed and my brain on vacation.
The assignment was easy peasy. I finished it while watching TikTok.
The game was easy peasy. I won with no effort.