Put freshly coarse-ground beans into any kind of container.

Then pour in cold, water at a ratio of 4-to-1 (meaning 4 cups water for 1 cup grounds).

Make sure all grounds are wet and cover jar. Let it sit at room temperature for 12 to 24 hours. Strain out beans and it is ready.

In a blender, combine the sweetened condensed milk, cream and vanilla. Blend for 30 to combine. For a frothier combination, blend for 60 seconds.

Pour over iced coffee to taste and enjoy.