Vampire Venom: Non-Alcoholic Magarita Punch

1 can frozen limeade concentrate
1 can frozen lemonade concentrate
1 cup powdered sugar
4 egg whites
5 – 6 cups of crushed ice
2 ltr. Sprite
1 lime sliced

Combine limeade and lemonade concentrates with powdered sugar, egg whites, and crushed ice in a large container. Set in freezer for at least 30 minutes.

Spoon two cups of mixture into blender and add 1 cup of Sprite. Blend until frothy. Garnish glasses with coarse salt and lime slices.