If necessary, defrost the puff pastry, roll out the pastry, fold it in two and cut into squares.
Peel and halve the pears and remove the core. Heat the pears in the apple juice and sauté for a few minutes. Take out and drain well.
Divide the cheese into small pieces and fill the pears with it.
Place the puff pastry squares on a parchment-lined baking sheet. Place one half of the pear on each with the cut surface facing down. Sprinkle the sugar on top.
Bake in a preheated oven at 200 ° C (convection: 180 ° C) for about 10 minutes until golden yellow.