Police were called to Hartshill Road, Stoke-on-Trent, on Monday after paramedics responding to reports that a man had collapsed found a body.
The remains were identified as those of 42-year-old Peter Davegun, who lived at the address.
Samantha Adeokun, 40, from Albert Street, Silverdale, was remanded in custody by Staffordshire magistrates.
She is due to appear in court again on 30 December.
A woman has appeared in court charged with murder after a man's body was found at a flat in Staffordshire.