Complex sentence: The April 2004 issue of "Southern Living" was recalled after one of its recipes instructed readers to boil water and shortening together, which could result in the water becoming trapped under the grease and causing a dangerous burst.
Split into simpler sentences: The April 2004 issue of "Southern Living" was recalled after one of its recipes instructed readers to boil water and shortening together. This could result in the water becoming trapped under the grease and causing a dangerous burst.