Step 1: Bake the Cake

1. Preheat oven to 350°F (175°C).
2. Spray a 9×13-inch glass baking pan with non-stick cooking spray.
3. In a large bowl, combine cake mix, water, oil, and egg whites. Mix with an electric mixer on low speed until combined.
4. Pour batter into the prepared pan and bake according to package instructions (about 25-30 minutes) or until a toothpick inserted in the center comes out clean.
5. Remove from the oven and let the cake cool completely in the baking dish.

Step 2: Make the Filling

1. In a medium pot, bring ¾ cup water to a boil.
2. Stir in the orange gelatin mix until fully dissolved.
3. Add ¾ cup cold Orange Crush soda and mix well.

Step 3: Poke and Fill the Cake

1. Using a fork, skewer, or meat fork, poke holes all over the cake, about ½ inch apart.
2. Slowly pour the orange gelatin mixture evenly over the cake.
3. Let the cake cool for about 1 hour.

Step 4: Add the Topping and Chill

1. Spread whipped topping evenly over the cake.
2. Sprinkle with orange sprinkles for decoration.
3. Refrigerate for at least 2 hours before serving.

Step 5: Serve and Enjoy!

1. Slice into squares and serve chilled.
2. Store any leftovers in the refrigerator.