I could down this copycat Chick-fil-A drink all day, every day..

Prep Your Ingredients:
Squeeze fresh lemons until you have 1 cup of lemon juice.
Measure out the sugar, water, and vanilla ice cream.
Blend It Up:
Add the lemon juice, sugar, water, and vanilla ice cream to a blender.
Blend on high speed until the mixture is smooth and creamy.
Serve and Enjoy:
Pour the frosted lemonade into glasses.
Serve immediately. This drink is best enjoyed fresh.