Crush the coffee beans coarsely with a rolling pin
In a medium saucepan, combine the crushed coffee beans, cocoa powder, and water
Bring to a boil over medium-high heat, stirring occasionally
Reduce the heat to low and simmer for 3 minutes
Add the sweetened condensed milk and stir to combine.
Strain the mixture through a fine sieve into a
metal bowl set in a larger howl filled with ice water.
Discard the coffee beans. Refrigerate the coffee mixture until well chilled, at least 2 hours. The coffee and cocoa bean drink may be brewed and chilled the day before.
