1Heat oven to 350°. Melt 1/3 cup butter in heavy 10-inch ovenproof skillet or square pan, 9 x 9 x 2 inches, in oven. Sprinkle brown sugar evenly over butter. Arrange apple slices in row around edge of skillet. Arrange remaining slices in 2 more rows in skillet. Spoon cranberry sauce between rows.
2Mix flour, granulated sugar, baking powder and salt in large bowl. Add 1/3 cup butter, milk and vanilla. Beat on medium speed 2 minutes, scraping bowl constantly. Add egg. Beat on medium speed 2 minutes, scraping bowl frequently. Pour over fruit in skillet.
3Bake about 50 minutes or until toothpick inserted in center of cake comes out clean. Immediately place heatproof serving plate upside down onto skillet; turn plate and skillet over. Leave skillet over cake a few minutes (brown sugar mixture will run down over cake); remove skillet.