Shock Collar Question: Sam Panopolous

Alexis is wearing the Shock Collar this morning!

Today's question: In 2012, Taco Bell teamed up with Doritos to birth the Doritos Locos Taco, which is one of the greatest food mashups of all time. However, 60 years earlier, one man might have created the original food mashup. It started when Sam Panopolous moved to Southwest Ontario from Greece and opened his very own restaurant. To stick out amongst the eateries in the area, he began experimenting by combining different foods from international cultures. Finally, one item in particular hit the jackpot. Now you can find it at restaurants all over the world. What is it?