Pre-heat the oven to 190 deg C (375 deg F) – line a baking sheet with baking paper
Unroll the Pastry on a large piece of plastic wrap
Combine the Bacon, Onions and Cheese – sprinkle evenly over the Pastry – press down gently – roll-up the Pastry Swiss Roll style – cover with the plastic wrap and place in the freezer compartment for 10 minutes
Remove from the freezer – whisk together the Egg and Milk – brush over the roll – cut roll in slices of about 2.5cm (1 inch) thicknesses – place on the prepared baking sheet – bake 20 – 25 minutes or until golden and done
Nutrition value, where given, is not always accurate. Please also check your ingredient labels.