Ingredients for 18 medium-sized brioches: For the dough: -500 gr 0 flour (with 10 of proteins) -180 gr milk -100 gr sugar -2 medium-sized eggs -9 gr of fresh brewer's yeast (or 3 gr if it's dry) -60 gr butter at room temperature -5 gr salt -1 teaspoon of vanilla extract - organic lemon zest For the custard cream: -250 gr milk -2 medium-sized egg yolks ( if you want your cream to be of a bright orange tone, use organic eggs!) -60 gr sugar -20 gr cornstarch - organic lemon zest -1 teaspoon of vanilla extract For brushing the top of the dough: -1 egg yolk -2 tbsp of milk For dusting: -icing sugar (to taste)