Never bite into the wrong bake again (Picture: Bloomberg via Getty Images)

A new development at Greggs means you won’t need signs to tell your Steak Bakes from your Sausage, Bean and Cheese Melts any longer.

The bakery chain differentiates between its pastries with unique markings stamped into the top – a secret code loyal fans have spent years memorising.

Comedian Ruth Husko even created a key for her followers on Twitter after a man tried to tell her the Steak Bake she was eating was in fact a Cheese and Onion Pasty.

Using punctuation and emojis to illustrate the markings, she revealed:

Steak Bake: / / /

Chicken Bake: ~~~

Vegetable Bake: O

Sausage, Bean and Cheese Melt: