Wrapped-Up Apple-Blackberry Pie

Ingredients

• 1 1/2 cups all-purpose flour
• 1/2 teaspoon salt
• 7 tablespoons cold unsalted butter, cut into 10 pieces
• 1 pound Granny Smith apples
• 8 ounces blackberries
• 1/2 cup plus 1 Tbsp. sugar
• 1 tablespoon cornstarch
• 1 tablespoon seedless blackberry jam
• 1 large egg white, beaten

Preparation

1. Make crust: In a bowl mix flour and salt. Using a pastry blender or two knives, cut in butter until mixture is crumbly. Add 1/4 cup ice water; stir just until dough comes together, adding more water if needed. Gather dough into a disc, wrap in plastic wrap and chill at least 30 minutes.
2. Make filling: Peel, core and thinly slice apples. Toss with blackberries, 1/2 cup sugar and cornstarch.
3. Place a rack in center of oven; preheat oven to 400°F. Remove dough from refrigerator and let soften. Roll out to a 14-inch circle; transfer to a parchment-lined baking sheet. Spread jam in a 10-inch circle on dough. Pile fruit over jam. Using your hands, carefully bring crust edges over fruit, folding where needed (pastry will not cover fruit). Brush crust with egg white; sprinkle with remaining 1 Tbsp. sugar.
4. Bake until fruit is bubbling and crust is golden, 35 to 40 minutes. Let cool for at least 10 minutes before serving.