1/4 cup extra virgin olive oil |
1 onion, finely chopped |
1 lb white mushroom, trimmed and sliced |
1 lb shiitake mushroom, stems removed, sliced |
1 ounce dried porcini mushrooms, soaked in warm water for 20 minutes, drained, cleaned of any grit |
2 garlic cloves, minced |
1/4 cup dry marsala |
1 tablespoon tomato paste |
1/4 cup coarsely chopped italian parsley |
5 cups hot beef broth (beef broth (brodo di manzo)) |
italian crouton (large crostini) |
grated parmesan cheese |
salt |
fresh ground black pepper |