Easy Blueberry Coconut Hand Pies

Ingredients

• 1 package store-bought pie crust
• 2 teaspoon cornstarch
• 4 teaspoon water
• 2 tablespoon fresh blueberries, washed
• ¼ cup granulated sugar
• 1 teaspoon lemon zest
• 2 teaspoon freshly-squeezed lemon juice
• ½ cup unsweetened, shaved coconut
• 1 egg yolk, whisked
• turbinado, for sprinkling