Combine strawberries and sugar in small bowl; set aside. Spray insides of 2 microwave-safe mugs with cooking spray.
Whisk together Reddi-wip, Egg Beaters and cake mix in medium bowl. Place half of the batter in each mug.
Microwave each mug individually on HIGH 1 minute 15 seconds to 1 minute 30 seconds. Invert each cake onto a plate. Spoon half of the strawberries over each cake. Top with additional Reddi-wip and serve immediately.
Cook's Tips: One fresh egg may be used in place of 1/4 cup Egg Beaters. Baking mix may be used in place of cake mix.