Blueberry Raspberry Tart

Bahan-bahan (8 porsi)

• 1 cup all purpose flour
• 1½ tablespoons granulated white sugar
• 6 tablespoons (¾ stick) cold unsalted butter, (cut into small pieces)
• ½ teaspoon salt
• 1 teaspoon finely grated lemon zest
• 1 large egg yolk
• 1 tablespoon freshly squeezed lemon juice
• 1 tablespoon ice water
• 3½ cups fresh blueberries
• ¼ cup granulated white sugar
• 2 teaspoons ground cinnamon
• 4 tablespoons (½ stick) unsalted butter, (melted)
• 1 tablespoon freshly squeezed lemon juice
• 2 cups fresh raspberries
• freshly whipped cream, (optional)