Mud, tape, then mud, sand, repeat a million times until it looks good. It's messy and takes a lot of time. I did the best I could. I also bought a few cans of spray texture to add to the walls. Then I had to remember what color paint, brand, and where in the hell I got it so I could just paint the new part instead of the whole thing. Luckily I was able to find it in my small paint supply in the storage.
rebuildingafter floodbasement clean up