Spinach Ravioli with Balsamic Sausage Sauce

For the pasta dough:

For the filling:

Spinach

Ricotta cheese

Mascarpone cheese

Shallots, chopped

For the sauce:

Onion

Garlic

Sausage ( )

Balsamic vinegar

Shitake mushrooms

Sautee onions and garlic in olive oil until translucent.  Add sausage and mushrooms.