How many calories are in 1/2 cup of chocolate mousse?
                                
                                
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                                    3 min read                                
                            
                                According to nutrition data from Eat This Much and Nutritionix, a standard, prepared-from-recipe 1/2 cup serving of chocolate mousse can contain approximately 455 calories. This figure is a general estimate, as the caloric content is highly dependent on the ingredients used and preparation method.