Hoosier Sugar Cream Pie

INGREDIENTS

• 1 1/2 teaspoons granulated sugar
• 1/2 cup packed dark brown sugar
• 7 tablespoons unsalted butter, cut into 1-inch cubes; 4 tablespoons chilled, 3 tablespoons frozen for 15 minutes
• 1/2 teaspoon vanilla paste or extract
• Confectioners' sugar, for dusting
• 1 teaspoon salt
• 1 cup plus 3 tablespoons all-purpose flour, plus more for dusting
• 1 tablespoon red wine vinegar
• 1/2 cup granulated sugar
• 2 tablespoons all-purpose flour
• 2 cups heavy cream