Sausage Stuffed Mushrooms

packages white mushrooms

package hot sausage, casing removed

Butter

olive oil

large vidalia (sweet) onion, chopped

Salt and pepper

garlic, minced

frozen chopped spinach, defrosted and squeezed dry

slices bread, crumbled

mozzarella, shredded

sprigs parsley, stems removed and roughly chopped

Marsala wine

Leftover stuffing

package crescent roll dough