Watermelon-Lime Frozen Agua Fresca

• 1/2 large seedless watermelon, rind removed, flesh cut into 1-inch dice (10 1/2 cups)
• 1/2 cup plus 1 tablespoon fresh lime juice (5 limes)
• 1/2 cup plus 1 tablespoon sugar
• 1/4 cup plus 2 tablespoons dark rum, preferably Jamaican

1. Put 9 cups of the watermelon cubes on a rimmed baking sheet, wrap with plastic and freeze until solid, about 1 hour.
2. Meanwhile, freeze 6 highball glasses.
3. Chill the remaining 1 1/2 cups of watermelon.
4. In a blender, combine half of the chilled watermelon with half of the frozen watermelon and half of the lime juice, sugar and rum.
5. Blend until smooth.
6. Pour into 3 of the frozen glasses.
7. Repeat with the remaining chilled and frozen watermelon, lime juice, sugar and rum.
8. Serve the agua fresca at once.

seedless watermelon, lime juice, sugar, dark rum

Taken from www.foodandwine.com/recipes/watermelon-lime-frozen-agua-fresca (may not work)