Gardaí are investigating an incident in Lidl in Kilcock on July 27 last when a man filled a trolley with goods and later left the store without paying.
Witnesses said the suspect left the car park in a wine coloured Hyundai Tucson.
Leixlip gardaí are appealing for help.
Earlier this week, two men stole legs of lamb from an Aldi store in Leixlip.
The incident took place on Tuesday, August 2 between 2pm and 3pm.
The two men entered the supermarket and placed the meat into bags before leaving without paying.
The legs of lamb were worth €250, gardaí said.
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