Ingredient:
5 big, heavy limes, juiced
2 cup water
1 cup granulated sugar
1 vanilla bean
4 cups cold water
Ice

Method:
Pour the lime juice into the bottom of a pitcher.

In a medium saucepan, combine the water and sugar. Scrape in the vanilla beans.

Whisk over medium heat until the sugar completely dissolves into the water. Add to the pitcher.

Strain well and add to the pitcher.

Add the water to the pitcher. Stir well to combine the flavors.

Add ice to chill.

Serve immediately.