Wash the lemon well. Roughly chop it, careful to remove any seeds. Add to blender with the honey and blend until smooth. Remove from blender and set aside.
Wash and hull the strawberries. Add to the blender and blend for a few seconds. Add the lemon-honey mixture 1/4 cup at a time. Blend each time, tasting for desired sweetness. Add the sparkling wine and blend just until combined. Pour into freezer safe dish and freeze for five hours.
Remove from freezer, blend mixture until smooth and return to freezer for three hours. Serve with mint, basil, flaky salt or lavender.