Instructions

1. 1
   Remove the peel from the prickly pears, cut them into small pieces about 0.5 x 0.5 in (1.25 x 1.25 cm), and remove the seeds.
2. 2
   Combine the fruit flesh, water, and agave nectar in a saucepan.
3. 3
   Boil the mixture until it becomes very thick, then strain it to get approximately 5 oz (120 ml) of syrup.
4. 4
   Make the finished soda by combining 1 volume of syrup with 5 volumes of carbonated water.