Preheat oven to 350°F. Spray 9-inch round baking pan with baking spray. Place 4 tablespoons of the Fleischmann's in microwave-safe container; heat on HIGH in microwave 30 seconds or until melted. Stir in brown sugar and cinnamon. Spread mixture evenly over bottom of pan. Arrange pineapple slices over sugar; place cherries in center of each pineapple slice.
Combine flour, baking powder and salt in medium bowl; set aside. In a small bowl, combine milk and vanilla; set aside.
Cream remaining Fleischmann's and granulated sugar in large bowl with electric mixer on medium speed 1 to 2 minutes or until well blended. Slowly add Egg Beaters and mix 1 to 2 minutes more (batter may appear curdled). Gradually add flour mixture, mixing 1 to 2 minutes or until well combined. Slowly add milk mixture; mix just until blended. Pour batter evenly over fruit.
Bake 35 to 40 minutes or until wooden pick inserted near center comes out clean. Cool 5 minutes at room temperature. Invert cake onto serving plate; remove pan. Serve warm, topping each serving with Reddi-wip just before serving.