Blueberry Pop Tarts

Ingredients (19)

• FOR THE BLUEBERRY FILLING:
• 1 lb fresh or frozen blueberries
• 1 teaspoon lemon zest
• 1 1/2 tablespoons lemon juice
• 1/3 cup white granulated sugar
• 1 tablespoon cornstarch
• 1 tablespoon water
• FOR THE POP TART CRUST:
• 1 1/2 sticks (6oz) unsalted butter, cubed and chilled
• 8 oz (1 3/4) cups all purpose flour
• 1/3 cup white granulated sugar
• 1/4 teaspoon salt
• up to 1/2 cup ice water
• TO FINISH:
• 1 egg yolk
• dash of water
• 1 cup powdered sugar
• 1 1/2 tablespoons milk
• Good pinch of cinnamon