Spiced Plum Shortcakes

INGREDIENTS

• 1/2 teaspoon ground cinnamon
• 1 cup chilled whipping cream
• 1/3 cup sugar
• 6 tablespoons chilled unsalted butter, cut into 1/2-inch cubes
• 2 1/2 teaspoons baking powder
• 1 teaspoon ground ginger
• 2 cups all purpose flour
• 2 teaspoons powdered sugar
• 3/4 teaspoon salt
• 2 tablespoons sugar
• Additional powdered sugar
• 2 pounds dark red or purple plums, halved, pitted, cut into 1/2-inch slices
• 1/4 cup (1/2 stick) unsalted butter
• 1/4 cup chopped crystallized ginger
• 1/2 teaspoon ground ginger
• 3/4 cup half and half