Andy Connors (44) claimed that his wife's brother returned later the same day and paid for the touchscreen hob.
Judge Anthony fined Connors €250.
The defendant, of The Villa, Blessington Road in Tallaght, admitted before Tallaght District Court to stealing a hob, worth €279.
The incident took place at Power City, Greenhills Road in Tallaght on June 22 last.
Garda Kieran Kilcoyne said Connors walked out of Power City holding the hob. The garda viewed CCTV footage and Connors was later charged with theft. The property was not recovered.
Garda Kilcoyne said that another individual, the defendant's brother-in-law, later went into the store and made a payment for a hob which was never collected.
The garda said Connors had 25 previous convictions, including two previous for theft, but that he hasn't been in trouble for seven years.
Defence lawyer said that Connors is a married man with six children, two of whom are quite ill.
He said Connors is a horse trader, and is passionate about his animals.
The court heard that Connors and his wife were in Power City looking to buy a hob as a present for his mother.
The pair had an argument, and Connors had thought his wife had paid for the hob so he left with it.