01 - Place diced pineapple, sliced peaches, cold water, and lime juice in blender container.
02 - Process on high speed until mixture is completely smooth and no fruit chunks remain.
03 - Add agave syrup or sugar as desired, blend briefly to incorporate sweetener evenly.
04 - Pour blended mixture through fine mesh strainer into large pitcher, press firmly with spoon to extract maximum liquid. Discard pulp or reserve for smoothies.
05 - Refrigerate for at least 30 minutes for optimal flavor, or serve immediately over ice.
06 - Add fresh mint leaves and fruit slices to glasses if desired for presentation.