Make sure your ice cream maker is in the freezer so it can be ready when your mixture is ready

In a pot, melt together the blackberries and sugar

Smash the blackberries as much as you can while mixing

You can also use a blender, but that isn’t needed

Add your milk, cream, and egg yolk

Bring to a simmer (do not allow it to boil)

Simmer for about 5 minutes

It will get foamy on top

Strain your mixture through a fine metal mesh strainer to get the blackberry chunks and seeds out

I like my ice cream smooth so I strained twice to make sure I got it all

Add the vanilla extract and mix

Place the mixture in a container and chill until it is cold

The colder the mixture, the better

When it is cold and your ice cream maker is frozen, set up your ice cream maker and churn according to the directions