If you have ever searched for a copycat Greggs sausage roll healthy enough to fit a high-protein week without wrecking the grocery budget, this recipe is the one. It takes everything people love about the bakery classic — the flaky, shattering pastry, the peppery pork filling, the golden egg-washed top — and rebuilds it with leaner mince, lighter pastry and the air fryer doing the heavy lifting. Ten rolls, about 48p each, roughly 16g of protein apiece, and on the table in under 40 minutes including prep. Before we go any further, a clear and honest note: this is my own homemade recipe inspired by the flavours of a Greggs…