This is a great dish from the province of Campobasso.
Cavatelli or 'cavatiell' in Molisan dialect is a traditional pasta from the region which has spread to other parts of south Italy, notably Puglia.
It is a pasta made from a mix of flour, water and potatoes which is then rolled in such a way as to have a space or 'cava' in one side.
800gr of ripe pumpkin (only purchase from the hills around Ferrazzano near Vinchiaturo), 1kg of wholegrain flour, 200gr potatoes, 1 egg, 50gr grated cheese, nutmeg, salt.
For the sauce use a tomato ragu with hot pepper or butter with sage.