Tagliatelle with Mushrooms (Tagliatelle ai Funghi)

dried porcini mushrooms

boiling water

olive oil

shallot (finely chopped)

porcini mushrooms (cleaned and sliced)

Freshly ground black pepper

salt

dry white wine * see note

fresh tagliatelle or pasta of your choice

Fresh parsley (chopped)

parmesan cheese (plus more for garnish, freshly grated)