This seasonal plum pie is the perfect addition to any picnic or gathering. Plums are tossed in a sweet spice mix, roasted, then packed into a puff pastry crust with swirls of sour cream. Once cooled, it will portion into easy-to-transport slices that are delicious with a spoonful of ginger maple cream and fresh berries.
Preheat the oven to 200°C/180°C fan/gas mark 6
Toss the sliced plums with demerara sugar, spices, orange zest, juice and cornflour
Spread on a tray and roast for 20 minutes until softened and syrupy. Set aside to cool
Whisk together sour cream, maple syrup, egg yolk and vanilla until smooth. Chill until needed
Reduce the oven to 180°C/160°C fan
Line a 20 × 30 cm tin with parchment
Overlap two of the pastry sheets together by a few centimetres, and then roll them together, using a splash of water to help them stick if needed. Roll out the joined pastry sheets until they are the thickness of a £1 coin, and big enough to line the base and sides of the tin. Press into the tin
Sprinkle the ground almonds over the pastry base. Spoon in half the plums, then swirl through half the sour cream mix. Repeat with remaining plums and cream swirl
Set aside a few tablespoons of egg for glazing, then pour the rest gently over the filling
Set aside a few tablespoons of egg for glazing, then pour the rest gently over the filling
Cover with the ready‑rolled pastry, seal the edges, brush with egg, sprinkle with demerara sugar and lightly score
Bake for 1 hour 20 minutes until puffed and golden. Cool completely before slicing
When ready to serve, whip the cream with maple syrup, ginger and cinnamon to soft peaks
For the salad, gently toss the berries with lemon juice and honey, then fold through the toasted oats just before serving
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