# Triple Chocolate Mousse Cake Recipe

> A 1-hour 30-minute cake with three chocolate layers and ganache.
- Title: Triple Chocolate Mousse Cake Recipe · Bon Appétit | Shortify
- Summary: A 1-hour 30-minute cake with three chocolate layers and ganache. Bon Appétit shares a triple chocolate mousse cake recipe that bakes in one morning and…
- Keywords: bon appétit bake club, chocolate cake, mousse, ganache, bittersweet chocolate, springform pan, buttermilk, vanilla bean paste, flaky sea salt, chill time, Bon Appétit
- Source: Bon Appétit — https://bonappetit.com/recipe/triple-chocolate-mousse-cake
- Author: Shilpa Uskokovic
- Published: 2026-11-06T11:00:00+00:00
- Read time: 1 min
- Topics: bon appétit bake club, chocolate cake, mousse, ganache, bittersweet chocolate, springform pan, buttermilk, vanilla bean paste, flaky sea salt, chill time, food, lifestyle
## What is the cake?
This chocolate mousse cake is big, grand, ideal for holidays, and a challenge to feel accomplished.
## Why it works
The cake layer is dense and fudgy; the mousse is airy and light; the ganache brings it all together.
## Pastry techniques
Making the mousse teaches three foundational pastry techniques: crème anglaise, crémeux, and mousse.
## Bake Club
Bon Appétit Bake Club is a community where senior Test Kitchen editors share recipes and baking tips.
## Recipe details
The cake takes 25, 35 minutes to bake and requires 1 hour 30 minutes total (plus 6 hours for chilling).
## Ingredients
The cake needs 1 cup flour, 1 cup sugar, ⅓ cup cocoa powder, 1 tsp salt, and ½ tsp baking soda.
## Mousse steps
The mousse uses 10.5 oz bittersweet chocolate, 1 cup milk, 4 egg yolks, and ½ cup sugar.
## Ganache assembly
Ganache is made with 4 oz bittersweet chocolate, ½ cup heavy cream, and ¼ tsp salt.
## Key takeaway

Bon Appétit shares a triple chocolate mousse cake recipe that bakes in one morning and chills for up to 12 hours.