Potted Beef and Mushrooms

Name: Potted Beef and Mushrooms
Ingredients: 1 ounce dried porcinis, a handful; 4 cups beef stock; 1/4 cup olive oil, plus more as needed; 2 1/2 to 3 pounds cubed beef chuck, room temp, pat dry; Kosher salt and coarse black pepper; 2 tablespoons butter; 2 tablespoons fresh thyme leaves, chopped; 4 large or 5 to 6 medium portabella mushrooms, gilled and cut into 1-inch dice; 4 cloves garlic, crushed; 1 onion, chopped; 1/2 cup dry red wine; 2 tablespoons Worcestershire sauce; 1 cup fresh flat-leaf parsley tops, coarsely chopped; 4 ribs celery, thinly sliced on an angle; 1/2 lemon, juiced; EVOO for drizzling; 1/2 cup shaved pecorino cheese