Pinwheel Peach Cobbler

Name: Pinwheel Peach Cobbler
Ingredients: 1/2 cup (packed) golden brown sugar; 2 tablespoons minced crystallized ginger; 1/2 teaspoon ground cinnamon; 2 cups all purpose flour; 3/4 cup sugar; 2 teaspoons baking powder; 1/2 teaspoon salt; 1/2 cup (1 stick) chilled unsalted butter, cut into small pieces; 2/3 cup whipping cream; 2 teaspoons vanilla extract; 1 tablespoon butter, melted; 1/2 cup sugar; 1 vanilla bean, coarsely chopped; 1 tablespoon all purpose flour; 4 pounds peaches, peeled, cut into 1/2-inch-thick slices; 2 teaspoons fresh lemon juice; Powdered sugar (optional)