Brazilian Key Limeade / Key Lime Chiller

Sassy Mama shows us how to cool off this summer with a key lime thirst-quencher! Here's what you need to get going:

4 cups cold water, divided

3/4 cup fresh lime juice

3/4 cup sweetened condensed milk

1/4 cup granulated sugar

Ice, for serving

Place all of the ingredients in a blender and pulse until lime is completely disintegrated.