3 nectarines, rinsed and sliced (about 3 cups)
2 cups cold water
1/2 teaspoon vanilla extract
1 tablespoon sugar
Combine the nectarines and 1 cup of water in a blender. Purée on high speed until smooth. Strain, if desired, and return the juice to the blender. Add the vanilla extract, sugar, and remaining water, and blend. Serve chilled or over ice.