YOU SAID:

I just baked an apple pie and it's crust fell off halfway through

INTO JAPANESE

アップルパイを焼いたところ、途中でクラストが落ちてしまいました

BACK INTO ENGLISH

When I baked an apple pie, the crust fell off on the way

INTO JAPANESE

アップルパイを焼くと、途中で地殻が落ちてしまいました

BACK INTO ENGLISH

When I baked an apple pie, the crust fell off on the way