Preheat oven to 350°F Place 1/3 cup butter in a 9x9x2-inch baking pan. Place in oven 5 minutes or until butter melts. Sprinkle brown sugar over butter; stir. Arrange 9 apple halves in mixture, cut sides down. Bake in oven 10 to 15 minutes or until bubbly.
Meanwhile, peel remaining apples. Coarsely shred; set aside. In bowl combine flour, granulated sugar, baking powder, ginger, and cinnamon. Add shredded apple, milk, 1/4 cup butter, egg, and vanilla. Beat with electric mixer on low until combined; beat on medium 1 minute. Spoon over apples, spread evenly (apple may be exposed; some butter may come to surface).
Bake 35 minutes or until wooden toothpick inserted near center comes out clean. Cool in pan on wire rack for 5 minutes. Loosen edges; invert onto platter. Spoon any topping in pan over top. Cool 20 minutes; serve with ice cream. Makes 9 servings.