Lemon Blueberry Scones

Bahan-bahan (8 porsi)

• 2 cups (250g) all-purpose flour (spooned & leveled), plus more for hands and work surface
• 6 Tablespoons (75g) granulated sugar
• 1 Tablespoon fresh lemon zest
• 2 and 1/2 teaspoons baking powder
• 1/2 teaspoon salt
• 1/2 cup (8 Tbsp; 113g) unsalted butter, frozen
• 1/2 cup + 1 Tablespoon (135g/ml) heavy cream, cold and divided
• 1 large egg, cold
• 1 and 1/2 teaspoons pure vanilla extract
• 1 heaping cup (140g) fresh blueberries
• 1 Tablespoon (15g/ml) water
• optional for topping: coarse sugar
• 1 cup (120g) confectioners’ sugar
• 3 Tablespoons (45g/ml) fresh lemon juice