When hunger strikes, or you're in need of a quick and tasty lunch, is often the go-to spot.

With an array of scrumptious options like steak bakes, sausage rolls and vegetable bakes, they've got something for every palate, with each delicious treat boasting its own unique flavour.

But, despite the bakery chain being a familiar fixture for over 70 years, it's only now that many fans are catching on to a fascinating detail. The key to identifying your chosen pastry lies in the pattern on its top - a piece of information recently highlighted on by none other than sensation, Sam Quek.

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In her feed, while indulging in a sausage roll, Sam disclosed: "I was today years old when I ONLY just realised each pasty has a different pattern to tell you what it is."

A closer look at her snapshot reveals this guide outlined right on Greggs' packaging, with popular items listed alongside their corresponding pastry designs.

This revelation sparked quite the conversation, as evidenced by the post racking up over 4,000 likes. The comments section was packed with different reactions.

One person divulged: "A worker at Greggs told me this some years ago. My mind was also blown. I had a Katsu Chicken bake, today. Oh my."

Another expressed surprise, writing: "Omg I didn't know this either?!" While yet another commented: "I have never looked at the bag - just the contents."

Meanwhile, a fourth person added: "Thank you for educating me. I shall go forward in this life with an extra piece of knowledge. P.S. Love a Greggs."

If you're wondering about the significance of those pastry patterns, here's what you need to know:

• Diagonal slits - steak bakes
• Wavy horizontal lines - chicken bakes
• V-shape marking - cheese and onion bakes
• Straight, horizontal lines - sausage and baked bean melts

Next time you grab your favourite bake, you might just give it a closer look. It's said that Greggs staff are trained to recognise these markings, so they know exactly what's inside.

It looks like there's always something new to discover when it comes to food. We really do learn something new every day.