3 torta chocolate hazelnut cake Recipes

eggs, separated, salt, soft unsalted butter, nutella (chocolate hazelnut spread), frangelico or 1 tbsp rum or 1 tbsp water, ground hazelnuts , scant, good quality bittersweet chocolate, melted, hazelnuts, heavy cream, frangelico or 1 tbsp rum or 1 tbsp water, good quality bittersweet chocolate

egg whites, egg yolks, unsalted butter, unsalted butter, whole hazelnuts (filberts), toasted, skins rubbed off, bittersweet chocolate, coarsely chopped, sugar, sugar, unbleached all-purpose flour or all-purpose flour or (gluten free flour blend), bittersweet chocolate, coarsely chopped, unsalted butter, honey, cream (optional), caramelized sugar shards (optional)