1. Remove the skin from the duck breasts, line the bottom of a terrine with one of the skins, chop one of the duck breasts on Speed 8 for 15 seconds.
Mix with the sausage meat.
Add the egg, flour, parsley, garlic, shallot, and olive oil on Speed 5 for 15 seconds.
Add salt, pepper, herbes de Provence, hazelnuts, pistachios, and Armagnac. Mix on Speed 2 for 10 seconds.