Равиоли с желтком

Ravioli "San Domenico" • Ingredientes: Fresh pasta dough: 200 gr flour, 2 full eggs, 2g salt.Filling: 50 g. di cooked spinach, 200 g fresh ricotta, 150 g parmigiano reggiano 24 month, ½ egg (yolks very yellow), salt, white pepper, nutmeg. You need 1 full egg inside each ravioli (see video). You need 15 gr butter each raviolo, 15 gr of Parmigiano and 2-3 grams of truffle each (see