Blueberry Scones

INGREDIENTS

• 4 cups plus 1 tablespoon all-purpose flour
• 2 tbsp sugar plus 2 tbsp for sprinkling
• 2 tbsp baking powder
• 1 tsp vanilla
• ¼ tsp lemon zest
• 2 tsp salt
• 3/4 pound (3 sticks of butter) cold unsalted butter, diced
• 4 large eggs, lightly beaten
• 1 cup cold heavy cream
• 2 cups blueberries
• 1 egg beaten for egg wash