Blackberry Galette

8 ingredients
2 steps

Ingredients

  • 1/2 cup all-purpose flour
  • 1/2 cup butter, cold, chopped
  • 1/2 cup granulated sugar
  • 10.5 oz frozen blackberries, thawed
  • 1 tbsp cornstarch
  • 1/3 cup sour cream
  • 2 None eggs, whisked
  • 1 tsp vanilla extract

Directions

  1. 1
    Process flour with butter and 1/4 cup sugar until mixture resembles fine breadcrumbs. Add 1-2 tbsp ice water and process until dough just comes together. Turn out onto a lightly floured surface and knead until smooth. Cover with plastic wrap and chill for 20 mins.
  2. 2
    Preheat oven to 400°F. Line a baking tray with parchment paper. Roll pastry out into a 12 inch disc then transfer to prepared tray. Toss berries with cornstarch and arrange over pastry, leaving a 2 inch border. Gently fold pastry edges over berries. Whisk together sour cream, remaining sugar, 1 egg and vanilla then pour over blackberries. Brush edges with remaining egg and bake for 25-30 mins, until golden brown.

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