- 1 3-to 5-pound watermelon
- 1/4 cup plus 2 tablespoons sugar
- 1/2 teaspoon salt
- 1/4 cup 1 tablespoon freshly squeezed lime juice (from about 3 medium limes)
- 12 scoops vanilla ice cream
- 4 paper-thin lime slices
- Remove the rind from the watermelon and cut the fruit into enough 1-inch pieces to measure 4 cups and enough 1/4-inch pieces to measure 2 cups.
- Blend the 4 cups of watermelon with the sugar, salt, and lime juice until the watermelon is completely liquid. Add the ice cream and blend until it is just combined.
- Stir in the 2 cups of smaller watermelon pieces.
- Pour into glasses and garnish with a lime wedge.