You may need to adjust the sugar depending on the ripeness of your fruit. Using kiwi sugar syrup helps boost this cocktail's flavour but, if your kiwis...
Ok, gave this a go as we had a pile of Kiwis in the bowl...I agree with Vincent, the vodka was lost, so I tried adding a Lime to sort of bring the whole thing together and I didn't add sugar; this was better. The main prblem seemed to be in mushing up the fruit sufficiently and then being able to strain it to avoid a glass of alcoholic fruit pulp. the straining process took a LONG time using a hawthorn and a fine strainer. I wonder is there a way of extracting the juice first and then using that