National Chocolate Mousse Day is observed every April 3, honoring the French dessert that gained popularity in the 1800s. Mousse is made by beating eggs, cream, or both to a frothy consistency and folding the ingredients together to create a light, airy result. The word mousse itself comes from French, meaning foam, basically a description of the dessert’s texture whether it’s prepared light and frothy or thick and creamy.

As for its origins, mousse-style desserts date back to the mid-18th century in France, where early versions were whipped cream bases combined with fruits, chocolate, or liqueurs. Interestingly, mousse began as a savory dish, and the sweet chocolate version came later as the French applied the same technique to their love of chocolate.

Who created the holiday and when? Nobody knows. There is no record of how it started and no official sponsor. It’s simply one of hundreds of American food holidays and an excuse to enjoy chocolate mousse.

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Last Update: April 3, 2026

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