Gâche aux Éclats de Chocolat Noir

Ingredients

dough 80% : wheat flour ( gluten ), fresh eggs, sugar, butter 12,4 %, sour cream-6.6 per cent, sourdough (wheat flour , water), sea salt (noirmoutier or guérande) , flavour, yeast, shards of dark chocolate 20% : cocoa mass, sugar, emulsifier : lecithins ( soy ), vanilla flavor,