Blueberry Lemon Pie Bars

Name: Blueberry Lemon Pie Bars
Prep time: 30 min
Cook time: 50 min
Total time: 1 h 20 min
Cuisine: American
Ingredients: 2 cups (250 g) all-purpose flour; ⅔ cup (83 g) confectioners' sugar; 1 cup (2 sticks / 227 g) unsalted butter, (cold and diced); 2 packages (8 ounces each) cream cheese, (room temperature); ½ cup (100 g) granulated sugar; 1 large egg, (room temperature); ¼ cup (57.5 g) sour cream; 1 teaspoon vanilla extract; 1 teaspoon lemon juice; 3 cups (444 g) fresh blueberries*; 1 cup (125 g) all-purpose flour; ⅓ cup (42 g) confectioners' sugar; ½ cup (1 stick / 113 g) unsalted butter, (melted); 2 teaspoons lemon zest; 1 cup (125 g) confectioners' sugar; 1½ tablespoons whole milk, (room temperature); ½ teaspoon lemon juice; ¼ teaspoon vanilla extract