Step 1

Mix all the ingredients, except the vanilla and alcohol, together in a blender and mix until smooth.

Step 2

Pour into a saucepan and bring to a boil. Once boiling, remove from the heat and whisk until smooth and thickened.

Step 3

Stir in the vanilla and alcohol.

Step 4

Pour into a container and chill overnight.

Step 5

Once the mixture is chilled, you simply need to add it to yourice cream machine, following the manufacturer's instructions. Once churned, add to a shallow, freezer-safe container and freeze for at least 6 hours or overnight.

Step 6

If you have a stand mixer with a metal bowl, you can freeze the bowl overnight and "churn" the ice cream using the paddle attachment.

Step 7

Otherwise, you will need to whisk the mixture well before freezing it and may need to check on it a couple of times and whisk again to add lot's of air to it and prevent it turning icy.