Lemon Yogurt Cake with Chocolate Ganache

Spanish sponge cake made with lemon yogurt and eggs, baked in a ring mold. Topped with silky chocolate ganache and chocolate vermicelli. Uses a Thermomix for mixing, though a stand mixer works similarly. Simple, moist crumb with rich chocolate finish.
Ingredients
- 2 lemon yogurt
- 200 milliliters heavy cream
- 1 unsalted margarinebutter1:1bakingadds dairy
adds flavor
- 1 tablespoon butter
- 2 yeast
- 6 eggs
- 6 yogurt glass cake flour
- ¼ oz chocolate vermicelli
- 7 oz dessert chocolatedark chocolate (70%)1:1baking
standard alternative
- 4 sugar
- 2 sunflower oil
Instructions
- 1
Fit the butterfly attachment to the Thermomix bowl
- 2
Add eggs and sugar, mix 5 minutes at 37 degrees, speed 3
- 3
Mix again for the same time and speed without heat
- 4
Add sunflower oil and lemon yogurt, mix 20 seconds at speed 3
- 5
Remove the butterfly attachment
- 6
Add flour and yeast, close the bowl and pulse 4 times on turbo
- 7
Grease a ring mold with margarine and dust with flour
- 8
Pour batter into mold and bake for 1 hour at 170 degrees
- 9
Cool on a rack
- 10
For ganache: heat cream and butter in a saucepan until boiling, remove from heat
- 11
Add chocolate and whisk with a whip until fully melted
- 12
Let cool
- 13
Brush ganache over cooled cake
- 14
Sprinkle chocolate vermicelli on top and serve
Tips
A yogurt container is used as the measuring vessel throughout this recipe
The Thermomix is essential to this recipe's method, though a stand mixer can substitute
Good to Know
Wrapped at room temperature for up to 2 days, or refrigerated for up to 4 days
Cake can be baked 1 day ahead. Ganache can be made up to 2 days ahead and gently reheated before coating
At room temperature or chilled. Serve as dessert or with coffee or tea
Common Mistakes
Do not skip cooling the cake before applying ganache to avoid melting
Do not overmix after adding flour to avoid dense crumb
Do not apply ganache to a warm cake or it will run off
Substitutions
Dairy-Free Swaps
General Alternatives
standard alternative