🍫 Chocolate Layered Mousse Cake
🧾 Ingredients
Chocolate Sponge Layers
- All-purpose flour – 1½ cups (190 g)
- Unsweetened cocoa powder – ½ cup (50 g)
- Baking powder – 1½ tsp
- Baking soda – 1 tsp
- Salt – ½ tsp
- Granulated sugar – 1½ cups (300 g)
- Eggs – 2 large
- Vegetable oil – ½ cup (120 ml)
- Buttermilk or milk – 1 cup (240 ml)
- Vanilla extract – 2 tsp
- Hot water or hot coffee – ¾ cup (180 ml)
Chocolate Mousse Filling
- Semi-sweet or dark chocolate – 8 oz (225 g), chopped
- Heavy cream – 1½ cups (360 ml), cold
- Powdered sugar – 2–3 tbsp
- Vanilla extract – 1 tsp
- Gelatin – 1 tsp + 2 tbsp cold water (for clean layers, optional but recommended)
Chocolate Glaze / Ganache Top
- Dark or semi-sweet chocolate – 6 oz (170 g)
- Heavy cream – ¾ cup (180 ml)
- Butter – 1 tbsp (for shine)
👩🍳 Instructions
🧁 Bake the Chocolate Sponge
- Preheat oven to 350°F (175°C).
Line two 8-inch round pans with parchment. - Whisk together flour, cocoa powder, baking powder, baking soda, salt, and sugar.
- Add eggs, oil, milk, and vanilla. Mix until smooth.
- Slowly stir in hot water/coffee (batter will be thin).
- Divide evenly between pans.
Bake 25–30 minutes, until a toothpick comes out clean. - Cool completely. Level layers if needed.
🍫 Make the Chocolate Mousse
- Bloom gelatin:
Mix gelatin with cold water. Let sit 5 minutes. - Melt chocolate gently (microwave or double boiler). Let cool slightly.
- Heat ¼ cup cream just until warm. Stir in bloomed gelatin until dissolved.
- Whisk gelatin mixture into melted chocolate.
- Whip remaining 1¼ cups cream with powdered sugar and vanilla to soft peaks.
- Gently fold whipped cream into chocolate mixture in 2–3 additions until smooth and airy.
🎂 Assemble the Cake (for photo-perfect layers)
- Place one sponge layer into a springform pan lined with acetate or parchment.
- Spread ½ of the mousse evenly over the cake.
- Add second sponge layer.
- Spread remaining mousse on top.
- Refrigerate at least 4 hours (or overnight) until fully set.
🍫 Add the Glossy Chocolate Top
- Heat cream until just steaming.
- Pour over chopped chocolate and butter.
- Let sit 2 minutes, then stir smooth.
- Cool slightly, then pour over chilled cake.
- Chill 30 minutes to set.
✨ Pro Tips for “Like the Photo” Results
- Use acetate cake collars for ultra-clean sides
- Chill the cake fully before glazing
- Warm knife between slices for sharp cuts
- Want extra drama? Add chocolate curls or cocoa dust on top
If you want, I can:
- Make this no-gelatin
- Add white & dark chocolate mousse layers
- Convert it to a mirror-glaze entremet
- Help you match a specific photo style
Just tell me 😍🍰