01 -
Add watermelon cubes, lime juice, sugar or honey, and a pinch of salt to a blender. Blend on high speed until completely smooth.
02 -
Pour the blended mixture through a fine mesh sieve or cheesecloth into a large pitcher, pressing to extract as much juice as possible and discard the pulp.
03 -
If desired, dip the rims of serving glasses in chamoy or chili powder for an extra layer of flavor.
04 -
Fill glasses with ice, pour the strained agua fresca over, and serve immediately.