Number of Calories in Chocolate Mousse Cake

by Peter Mitchell

Chocolate mousse cake served on a wooden table with other assorted chocolates.

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Chocolate mousse cake is a very rich cake often made with dark chocolate. All of the ingredients are high in calories. The chocolate has a large number of calories from both fat and sugar, while the butter is high in fat.


Chocolate mousse cake recipes vary. However, a BBC Food recipe lists the key ingredients as 10 1/2 oz. of dark chocolate, 5 oz. of unsalted butter, 2 oz. of caster or baker's sugar and six eggs. The recipe serves six people.

Ingredient Calories

According to the USDA's MyFood-a-pedia, 10 1/2 oz. of dark chocolate contains 1,499 calories. Unsalted butter contains 1,020 calories per 5 oz. Caster sugar equals 227 calories per 2 oz. Six large eggs contain 462 calories.

Total and Considerations

The total calories in a large chocolate mousse cake number 3,208. That means a single portion of chocolate mousse cake has around 534 calories. Many of those calories are from carbohydrates and fat. For example, 1 3/4 oz. of dark chocolate contains almost half the daily suggested 50 g limit of sugar, according to CalorieLab. Around 30 percent of dark chocolate is made up of fat.

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About the Author

Based near London, U.K., Peter Mitchell has been a journalist and copywriter for over eight years. Credits include stories for "The Guardian" and the BBC. Mitchell is an experienced player and coach for basketball and soccer teams, and has written articles on nutrition, health and fitness. He has a First Class Bachelor of Arts (Hons.) from Bristol University.