Overcooked recently launched on Switch a few days ago. Even though the developers took a pretty decent amount of time to get the game out on the system, it looks like a few bugs managed to slip through the cracks, including some serious framerate drops.
As a result, a new patch is currently in the works to fix these issues. A few folks on Twitter reached out to the developers, and the team confirmed that work is being done on the game to iron out the kinks that have been found:
Sorry to hear that, we're working on an update as we speak!
— Overcooked ? (@Overcookedgame) August 1, 2017