Barefoot Contessa (en-US)

Ingredients

• 4 cups plus 1 tablespoon all-purpose flour
• 2 tablespoons sugar, plus additional for sprinkling
• 2 tablespoons baking powder
• 4 teaspoons kosher salt
• 3/4 pound cold unsalted butter, diced
• 4 extra-large eggs, lightly beaten
• 1 cup cold heavy cream
• 3/4 cup dried currants
• 1 egg beaten with 2 tablespoons water or milk, for egg wash