DAY BEFORE: At least 6 hours before you wish to enjoy the shake, prepare the cold brew and coconut milk ice cubes.
COLD BREW: Grind 1 cup (~80 g) of coffee beans into a semi-coarse texture (about the texture of sea salt) and place coffee grounds into a large container (such as a mason jar). Pour 2 cups (240 ml) of cold water over the coffee grounds. Cover and let brew in the refrigerator overnight (or at least 6-8 hours).
ICE CUBES: For the ice cubes, place the coconut milk, vanilla, and maple syrup into a high-speed blender and blend until smooth — about 20 seconds. Transfer your mixture to an ice cube tray; it should make ~14-16 standard-size ice cubes. Freeze for at least 6 hours.
FREEZE GLASSES: Optionally, place 2-4 empty serving glasses in the freezer so they are chilled and ready for serving your shake.
SHAKE: To a high-speed blender, add all of the coconut milk ice cubes, 1 cup (240 ml) strained cold brew, cacao or cocoa powder, almond butter, and salt. Blend on high until all of the ice cubes have completely broken down and you have a smooth consistency. If the mixture is struggling to blend, use the blender’s tamper to press it down, or add more cold brew 1 tablespoon (15 ml) at a time until it blends more easily.
Serve immediately in (chilled) glasses (if desired). Option to garnish with coconut whipped cream and cacao nibs. To freeze, transfer to an ice cube tray and blend again when ready to serve, adding more cold brew coffee or coconut milk as needed. Or, freeze in a glass and then let thaw in the refrigerator overnight before serving.
*Prep time includes time for freezing coconut milk ice cubes and brewing coffee. *Nutrition information is a rough estimate calculated without optional ingredients.