Farro with Wild Mushrooms

Ingredients (12)

• + ½ ounce dried porcini mushrooms add to pantry
• ✓ 2 tablespoons olive oil
• + 10 brown mushroom caps, diced add to pantry
• ✓ salt to taste
• + ½ onion, diced small add to pantry
• + 2 cloves garlic, minced add to pantry
• + 1 cup pearled farro, rinsed, or more to taste add to pantry
• + 3 cups chicken stock, divided add to pantry
• + 2 tablespoons creme fraiche add to pantry
• + 2 tablespoons chopped fresh flat-leaf parsley add to pantry
• + freshly ground black pepper to taste add to pantry
• ✓ 2 tablespoons freshly grated Parmigiano-Reggiano cheese, or to taste