Instant Chocolate Mousse[eggless] Really easy and really yummy... By Guest Contributor June 11, 2015 Dessert Preparation Time Cook Time Servings0IngredientsMini marshmallows 150gbutter softened 50gchocolate 250ghot water 60mlcream 284mlvanilla extract 1 tsp.Instructions Step 1: In a saucepan, melt marshmallows, chocolate, butter and water. Step 2: meanwhile, whip the cream with vanilla extract. Step 3: add the cream into the chocolate mixture. Step 4: pour it into individual ramekins and let it set for 1 hour in the fridge.