01 - Rinse fresh cranberries and pomegranate arils thoroughly under cold water.
02 - Place cranberries, pomegranate arils, chopped apple (if using), and cold water into a blender. Blend on high speed until fully smooth.
03 - Position a fine-mesh sieve or cheesecloth over a large bowl or pitcher. Pour the blended mixture through it, pressing with a spoon to extract maximum juice. Discard or reserve the pulp for smoothies.
04 - Taste the juice and incorporate sweetener if preferred, stirring thoroughly to combine.
05 - Refrigerate until cold or serve immediately over ice. Optionally, garnish with extra pomegranate arils or fresh mint leaves.