What a weird situation..
I always eat my cup noodles in bath, don't you? It makes for a fun game catching them with my chopsticks ;)
Pourquoi pas? ;p
浴槽에서 食事를 합니다.
저는 욕조에서 식사를 해요. What is the problem with my sentence?
Your sentence is perfect.
The greatest invention since breakfast in bed: brunch in the bath.