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1
For the crust:
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2
In the bowl of a food processor combine flour, sugar and salt and pulse one or two times. Add chilled butter cubes and pulse in 5-10 second intervals until mixture resembles coarse crumbles.
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3
Add in sour cream and about 2 tablespoons water and continue to pulse in 5-10 seconds intervals until mixture comes together.
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4
Remove dough and place it on a lightly floured surface. Knead just a few times. Form it into a disc and wrap in plastic wrap. Chill in the refrigerator for at least 1 hour.
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5
For the assembly:
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6
Preheat oven to 400 F. Line a baking sheet with parchment paper and set aside.
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7
In a medium bowl add peaches, 3 tablespoons sugar, flour, grated ginger, a pinch of cinnamon, nutmeg, cloves and ground ginger and gently toss. Set aside.
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8
Lightly flour a clean surface. Remove dough from plastic wrap and roll out dough to about 12 inches round. Transfer to the prepared baking sheet.
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9
Add a pinch of cinnamon and sugar to the ricotta and stir to blend. Spread ricotta mixture on top of dough leaving about a 1-2 inch border. Top with peach mixture. Add a few blueberries if desired. Fold border around peaches making a free form crust. Lightly brush crust with egg and sprinkle with sugar.
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10
Bake in the preheated oven until crust is golden brown about 20-25 minutes.
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11
Remove it from the oven and let cool. Sprinkle with confectioners' sugar and Fleur de Sel.
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12
Slice and serve warm or at room temperature.