01 - 
                Slice the peaches into eighths and peel each slice.
              
              
              
                02 - 
                Place peach slices and caster sugar in the bowl of a food processor. Process until smooth, scraping down the sides as needed.
              
              
              
                03 - 
                Add lemon juice gradually to taste. Blend briefly to incorporate.
              
              
              
                04 - 
                Transfer the mixture to a shallow container and freeze for 6-7 hours or until firm.