COPYCAT SONIC SLUSHES RECIPE – 5 MINUTE RECIPE!

4 cups ice water
8 cups ice
2/3 cup granulated sugar
1 Tablespoon or 2 packets powdered drink mix

INSTRUCTIONS

1. First, add half of the ingredients in the order listed to a high-powered blender. 
2. Mix on high until smooth.
3. Pour mixture into cups. Top with desired toppings.
4. Finally, repeat with the remaining ingredients. 

source: easybudgetrecipes.com