Preheat the oven to 180°
Heat the olive oil in a large frying pan before you add the onion and a pinch of salt. Sauté for around 5 minutes.
Then add the garlic and continue for another 5 minutes. Remove the frying pan and let completely cool.
In a large bowl mix the pork meat, pistachios, cranberries, grated apple, vinegar and parsley as well as the onion until well-combined.
Season with salt and a generous amount of black pepper and mix again.
Cut each pastry sheet into three roughly 8cm large and 5 cm wide strips.
In a small bowl, combine the milk and egg with a fork.
Align the rectangles in a row and place 1 tsp of stuffing on one side of each of them.
Roll up to enclose the filling, then brush some egg mixture along the side to seal.
Repeat until all the stuffing is used up.
Place the mini sausage rolls onto a tray lined with baking paper.
Coat each sausage roll generously with the remaining egg mixture and sprinkle with sesame seeds.
Bake the sausage rolls for 30 minutes depending on your oven until golden brown and crispy.
When ready, take them out of the oven and serve hot.