In a bowl, mix the sugar, flour, yeast, and eggs
Add the vanilla sugar, the melted butter and apples
Put 250ml of water in the bowl
Butter a mold and put the liquid caramel at the bottom
Pour the preparation into the mold
Film the mold
Put in the steam basket
Put the instant pot in pressure cooking 40 min
At the end of cooking, wait 10 minutes before removing from the mold
