Preheat the oven to 220°C (200°C fan). Place a baking tray inside to heat.
Roll out the puff pastry on baking paper and fold the edges inward to create a 1 cm border.
Brush the edges with beaten egg.
In a bowl, mix nectarines, honey, orange juice, and cinnamon.
Arrange the fruit mixture evenly inside the pastry border.
Transfer the tart (with baking paper) onto the hot tray.
Bake for 15–20 minutes until the pastry is golden and puffed.
Remove and decorate with lime zest and edible flowers.
To prepare the cream, whip double cream, cinnamon, orange blossom water, and icing sugar until soft peaks form.
Slice the Nectarine Puff Tart and serve with the cinnamon cream.