Carlisle's Grace Dent has treated Netflix viewers to a recent documentary concerning the bakery Greggs.

The columnist embarked on a quest to unravel the enigma behind the humble Greggs sausage roll; and viewers can't quite believe it.

Originally aired on Channel 5, 'Greggs: What’s really in it?' is now available to watch on Netflix, and viewers have had plenty to say about it online.

The synopsis reads: "From a secret lab to hidden codes, this special reveals the inner workings of Greggs, the iconic bakery chain known for its delectable sausage rolls."

Cumbria's prized food critic, Grace Dent, presents the documentary, giving viewers a behind-closed-doors look at Greggs and why the iconic British eatery is so popular.

Greggs: What’s really in it? revealed a few bombshells about the bakery chain - including the revelation that factory workers are not told the signature seasoning recipe for sausage rolls or why its chicken bake is so creamy.

Each bake is also made with a different marking on the top of the pastry so employees can tell what's inside when serving customers.

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Netflix viewers say there's one thing they "can't stop thinking about"

Netflix viewers say there's one thing they "can't stop thinking about" after watching the documentary.

In a world of Tiger King and Don't **** With Cats, many could not believe the documentary was real.

RealSinghShady admitted: "Netflix greggs documentary is killing me, they are down BAD rn."

LeonTheCanteen wrote: "You know you’ve got a hangover when you’re watching the Greggs documentary on Netflix".