Kumara and Walnut Ice Cream

1 litre milk
1 3/4 cups sugar
5 eggs
1 tsp flour
1 1/2 cups cooked mashed kumara
1 large can evaporated milk
1/2 cup of walnuts
1 tbsp vanilla

Preparation Instructions

Beat sugar, eggs, flour until thick. Heat litre of milk (do not boil) and pour into mixture, cool. Add kumara. Put evaporated milk into a separate mixer bowl and let set in freezer until ice crystals form. Beat until thick and then add to kumara mixture. Add vanilla and walnuts, combine and return to freezer to set.