Weigh flour and eggs separately.
Mix 00 flour with chestnut flour.
Shelved the eggs in a bowl.
Place the flour on the cutting board, forming a small mountain.
Make a well with your fingers in the center of the flour, and add the eggs.
Using a fork, gradually bring the flour toward the center to mix with the eggs.
Stir until large crumbs form. From this point on, work the dough with your hands.
Work the dough with regular wrist movements, pushing the mixture forward and bringing it back toward you for about 10 minutes until it is smooth and soft but not sticky.
Form a ball and let the dough rest for 30 minutes at room temperature, wrapped in plastic film or under a glass bowl.
Roll out a thin sheet with a pasta machine or using a rolling pin and cutting board.
Use a knife to cut out tagliatelle 1/2 cm thin.
Spread the noodles on the cutting board and let them dry for a few minutes. Then dust with a bit of semolina and form nests.
You can freeze or cook immediately in boiling salted water for a few minutes.