Chill the coconut cream. Place a can of full-fat coconut cream in the fridge for at least 4 hours (overnight is best). You want it cold and thick.
Prep the avocado. Halve, pit, and scoop the avocado into a food processor or high-speed blender.
Make sure it’s ripe and green with no brown spots for the cleanest flavor.
Add the base ingredients. Spoon 1 cup of the chilled coconut cream into the processor. Add cocoa powder, powdered sweetener, vanilla, and a pinch of salt.
Blend until smooth. Process for 30–60 seconds, scraping down the sides as needed. If it’s too thick to blend smoothly, add 2 tablespoons of almond milk.
Blend again until silky.
Taste and adjust. Sweetness can vary by sweetener and cocoa brand. Add more sweetener 1 tablespoon at a time if needed, or a splash more almond milk for a lighter texture. For deeper flavor, add espresso powder or cinnamon now.
Whip in extra lift (optional). For a fluffier mousse, whip an additional 1/3 cup chilled coconut cream in a separate bowl until light, then gently fold it into the chocolate mixture.
Chill to set. Spoon into ramekins or glasses.
Cover and chill for 1–2 hours. The mousse will firm up and the flavors will mellow.
Garnish and serve. Top with shaved chocolate, a few berries, or toasted coconut. Serve cold and enjoy.