Blueberry Lemon Poppy Seed Scones

Bahan-bahan (14 porsi)

• 2 1/2 cups all-purpose flour
• 2 tablespoons granulated sugar
• 1 tablespoon baking powder
• 1/2 teaspoon salt
• 8 tablespoons cold unsalted butter, grated on a box grater just like cheese (1 stick)
• 1 egg
• 3/4 cup buttermilk + more for brushing
• 1 tablespoon vanilla extract
• 1 1/2 cups fresh or frozen blueberries
• zest of 1/2 a lemon
• 1/2 cup powdered sugar, plus more if needed
• 2 tablespoons butter, melted
• 1/4 cup fresh lemon juice + reserve the zest
• 1/2 teaspoon vanilla extract
• 1 -2 tablespoons poppy seeds