watermelon slushies

3 Cups watermelon (cubed and frozen)
1 banana (peeled, sliced, and frozen)
2 limes (use juice and zest)
2 TBSP agave nectar
1/2 cup water

1. Add frozen cubed watermelon, frozen banana slices, zest and juice from 2 limes, agave nectar and water to blender. Blend until smooth. Add more water if needed to keep the mixture flowing.