01 -
Turn your oven to 175°C to warm up, and line your cupcake baking tray with paper cases.
02 -
Mix up the butter and sugar really well, around 3-4 mins, until the mix looks pale and airy.
03 -
Add in the crème fraîche and vanilla, then gently mix egg whites in two portions.
04 -
Mix dry ingredients in one bowl while combining milk and water in another.
05 -
Take turns adding the dry mix and the milk-water mix into the batter, making sure it all blends nicely.
06 -
Spoon the batter into the cases halfway and bake for 15-17 minutes until slightly firm to the touch or using the toothpick trick.
07 -
To make pastry cream, whisk your egg yolks while separately heating up the sugar, cornstarch, and milk.
08 -
Slowly pour some of the hot milk mixture into the eggs to adjust temperature, then bring it all together and cook until it thickens properly.
09 -
For the ganache, pour warm cream on top of chocolate pieces and golden syrup, let it sit briefly, then mix until smooth.
10 -
Once everything has cooled down, remove the centers of cupcakes and gently fill with pastry cream.
11 -
Use a piping bag to swirl chocolate ganache on top of the cupcakes, starting from the middle going outward.
12 -
Pop them in the fridge, then serve slightly warm or close to room temperature for their best flavor.