A picture of the "dessert," aptly named the Cadbury Creme Egg SubMelt, was shared on Instagram by food influencer Snackolator. It showed a Subway sandwich roll filled with melted Cadbury Creme Eggs.

Subway began in 1965 under the name Pete's Super Submarines (for financier Peter Buck). It took Subway until 1972 before it became the sandwich shop we know and love -- and until 1974 before it began ...