Combine sugar and the water in small pan; simmerover medium heat, stirring, until sugar dissolves. Transfersyrup to large bowl to cool completely.Advertisement
Puree strawberries and lychees in a food processoror blender until smooth. Strain through a fine strainer.Add puree and lemon juice to cooled syrup. Transferto a 13-by-9-inch glass dish. Freeze, uncovered, rakingwith a fork every 30 minutes to keep it from becomingtoo solid, 2 1/2 to 3 hours. Serve immediately.