Blueberry Hand Pies

Name: Blueberry Hand Pies
Prep time: 1 h 10 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 200 grams all purpose flour (1 1/2 cups); 1 teaspoon granulated sugar; 1/4 teaspoon kosher salt; 105 grams unsalted butter, cold and cubed (7 tablespoons); 1 large egg; 1 tablespoon ice water; 1/2 teaspoon vanilla bean paste; 230 grams fresh or frozen blueberries (2 cups); 165 grams granulated sugar (3/4 cup); Juice and zest of one lemon; 90 grams confectioner’s sugar (2/3 cup); 1 tablespoon whole milk or whipping cream; Purple gel food coloring (optional); 1 egg, lightly beaten; Rainbow sprinkles or colored sanding sugar, for decoration